22402292 has 48 divisors (see below), whose sum is σ = 45588480. Its totient is φ = 9525600.

The previous prime is 22402291. The next prime is 22402301. The reversal of 22402292 is 29220422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22402291) 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, 106067 + ... + 106277.

It is an arithmetic number, because the mean of its divisors is an integer number (949760).

Almost surely, 2^22402292 is an apocalyptic number.

22402292 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22402292 is an abundant number, since it is smaller than the sum of its proper divisors (23186188).

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

22402292 is a wasteful number, since it uses less digits than its factorization.

22402292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 22402292 is about 4733.1059569800. The cubic root of 22402292 is about 281.9015634837.

The spelling of 22402292 in words is "twenty-two million, four hundred two thousand, two hundred ninety-two".