22052492 has 72 divisors (see below), whose sum is σ = 50765568. Its totient is φ = 8189280.

The previous prime is 22052491. The next prime is 22052533. The reversal of 22052492 is 29425022.

It is not an unprimeable number, because it can be changed into a prime (22052491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77783 + ... + 78065.

Almost surely, 2^22052492 is an apocalyptic number.

22052492 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22052492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25382784).

22052492 is an abundant number, since it is smaller than the sum of its proper divisors (28713076).

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

22052492 is a wasteful number, since it uses less digits than its factorization.

22052492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 22052492 is about 4696.0080919862. The cubic root of 22052492 is about 280.4266115838.

The spelling of 22052492 in words is "twenty-two million, fifty-two thousand, four hundred ninety-two".