426122538 has 32 divisors (see below), whose sum is σ = 899726400. Its totient is φ = 134171136.

The previous prime is 426122531. The next prime is 426122591. The reversal of 426122538 is 835221624.

It is a super-2 number, since 2×426122538² = 363160834783122888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 426122499 and 426122508.

It is not an unprimeable number, because it can be changed into a prime (426122531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34948 + ... + 45536.

It is an arithmetic number, because the mean of its divisors is an integer number (28116450).

Almost surely, 2^426122538 is an apocalyptic number.

426122538 is an abundant number, since it is smaller than the sum of its proper divisors (473603862).

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

426122538 is a wasteful number, since it uses less digits than its factorization.

426122538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10966.

The product of its digits is 23040, while the sum is 33.

The square root of 426122538 is about 20642.7357198604. The cubic root of 426122538 is about 752.5086590395.

It can be divided in two parts, 42612 and 2538, that added together give a triangular number (45150 = T₃₀₀).

The spelling of 426122538 in words is "four hundred twenty-six million, one hundred twenty-two thousand, five hundred thirty-eight".