538709022 has 64 divisors (see below), whose sum is σ = 1270909440. Its totient is φ = 168559488.

The previous prime is 538708943. The next prime is 538709023. The reversal of 538709022 is 220907835.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538709023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 593493 + ... + 594399.

It is an arithmetic number, because the mean of its divisors is an integer number (19857960).

Almost surely, 2^538709022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 538709022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (635454720).

538709022 is an abundant number, since it is smaller than the sum of its proper divisors (732200418).

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

538709022 is a wasteful number, since it uses less digits than its factorization.

538709022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582 (or 1576 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 538709022 is about 23210.1060316406. The cubic root of 538709022 is about 813.6758313340.

The spelling of 538709022 in words is "five hundred thirty-eight million, seven hundred nine thousand, twenty-two".