22478124 has 24 divisors (see below), whose sum is σ = 52642240. Its totient is φ = 7465104.

The previous prime is 22478123. The next prime is 22478149. The reversal of 22478124 is 42187422.

It is a junction number, because it is equal to n+sod(n) for n = 22478091 and 22478100.

It is not an unprimeable number, because it can be changed into a prime (22478123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87 + ... + 6705.

Almost surely, 2^22478124 is an apocalyptic number.

It is an amenable number.

22478124 is an abundant number, since it is smaller than the sum of its proper divisors (30164116).

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

22478124 is a wasteful number, since it uses less digits than its factorization.

22478124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6909 (or 6907 counting only the distinct ones).

The product of its digits is 7168, while the sum is 30.

The square root of 22478124 is about 4741.1099966147. The cubic root of 22478124 is about 282.2192851999.

The spelling of 22478124 in words is "twenty-two million, four hundred seventy-eight thousand, one hundred twenty-four".