1022450 has 54 divisors (see below), whose sum is σ = 2263527. Its totient is φ = 343200.

The previous prime is 1022449. The next prime is 1022467. The reversal of 1022450 is 542201.

It can be written as a sum of positive squares in 5 ways, for example, as 64009 + 958441 = 253^2 + 979^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=715.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 78644 + ... + 78656.

2^1022450 is an apocalyptic number.

1022450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1022450 is an abundant number, since it is smaller than the sum of its proper divisors (1241077).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022450 is a wasteful number, since it uses less digits than its factorization.

1022450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60 (or 31 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 1022450 is about 1011.1626970968. The cubic root of 1022450 is about 100.7428021219.

Adding to 1022450 its reverse (542201), we get a palindrome (1564651).

Subtracting from 1022450 its reverse (542201), we obtain a square (480249 = 693²).

It can be divided in two parts, 102 and 2450, that added together give a palindrome (2552).

The spelling of 1022450 in words is "one million, twenty-two thousand, four hundred fifty".