70422 has 24 divisors (see below), whose sum is σ = 156408. Its totient is φ = 21120.

The previous prime is 70393. The next prime is 70423. The reversal of 70422 is 22407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 678 + ... + 774.

It is an arithmetic number, because the mean of its divisors is an integer number (6517).

2⁷⁰⁴²² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78204).

70422 is an abundant number, since it is smaller than the sum of its proper divisors (85986).

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

70422 is a wasteful number, since it uses less digits than its factorization.

70422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 15.

The square root of 70422 is about 265.3714377999. The cubic root of 70422 is about 41.2955053374.

Subtracting from 70422 its sum of digits (15), we obtain a palindrome (70407).

Adding to 70422 its reverse (22407), we get a palindrome (92829).

The spelling of 70422 in words is "seventy thousand, four hundred twenty-two", and thus it is an iban number.