22813554 has 16 divisors (see below), whose sum is σ = 45675648. Its totient is φ = 7596432.

The previous prime is 22813543. The next prime is 22813579. The reversal of 22813554 is 45531822.

It is a super-2 number, since 2×22813554² = 1040916492221832, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7644 + ... + 10200.

It is an arithmetic number, because the mean of its divisors is an integer number (2854728).

Almost surely, 2^22813554 is an apocalyptic number.

22813554 is an abundant number, since it is smaller than the sum of its proper divisors (22862094).

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

22813554 is a wasteful number, since it uses less digits than its factorization.

22813554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4049.

The product of its digits is 9600, while the sum is 30.

The square root of 22813554 is about 4776.3536301241. The cubic root of 22813554 is about 283.6161663230.

The spelling of 22813554 in words is "twenty-two million, eight hundred thirteen thousand, five hundred fifty-four".