1995022 has 4 divisors (see below), whose sum is σ = 2992536. Its totient is φ = 997510.

The previous prime is 1995013. The next prime is 1995023. The reversal of 1995022 is 2205991.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2205991 = 31 ⋅71161.

It is a super-2 number, since 2×1995022² = 7960225560968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1995023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498754 + ... + 498757.

It is an arithmetic number, because the mean of its divisors is an integer number (748134).

2^1995022 is an apocalyptic number.

1995022 is a deficient number, since it is larger than the sum of its proper divisors (997514).

1995022 is an equidigital number, since it uses as much as digits as its factorization.

1995022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997513.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 1995022 is about 1412.4524770767. The cubic root of 1995022 is about 125.8874866933.

The spelling of 1995022 in words is "one million, nine hundred ninety-five thousand, twenty-two".