22254678 has 24 divisors (see below), whose sum is σ = 48438000. Its totient is φ = 7384464.

The previous prime is 22254671. The next prime is 22254679. The reversal of 22254678 is 87645222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22254671) 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, 1423 + ... + 6821.

It is an arithmetic number, because the mean of its divisors is an integer number (2018250).

Almost surely, 2^22254678 is an apocalyptic number.

22254678 is an abundant number, since it is smaller than the sum of its proper divisors (26183322).

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

22254678 is a wasteful number, since it uses less digits than its factorization.

22254678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5636 (or 5633 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 22254678 is about 4717.4864069756. The cubic root of 22254678 is about 281.2810265031.

It can be divided in two parts, 2225 and 4678, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 22254678 in words is "twenty-two million, two hundred fifty-four thousand, six hundred seventy-eight".