22492078 has 24 divisors (see below), whose sum is σ = 40313592. Its totient is φ = 9377424.

The previous prime is 22492073. The next prime is 22492097. The reversal of 22492078 is 87029422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22492073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 525 + ... + 6727.

It is an arithmetic number, because the mean of its divisors is an integer number (1679733).

Almost surely, 2^22492078 is an apocalyptic number.

22492078 is a deficient number, since it is larger than the sum of its proper divisors (17821514).

22492078 is a wasteful number, since it uses less digits than its factorization.

22492078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6256 (or 6249 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 22492078 is about 4742.5813646157. The cubic root of 22492078 is about 282.2776719420.

The spelling of 22492078 in words is "twenty-two million, four hundred ninety-two thousand, seventy-eight".