22454928 has 80 divisors (see below), whose sum is σ = 65620800. Its totient is φ = 7349760.

The previous prime is 22454917. The next prime is 22454953. The reversal of 22454928 is 82945422.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 22454892 and 22454901.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25048 + ... + 25928.

It is an arithmetic number, because the mean of its divisors is an integer number (820260).

Almost surely, 2^22454928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22454928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32810400).

22454928 is an abundant number, since it is smaller than the sum of its proper divisors (43165872).

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

22454928 is a wasteful number, since it uses less digits than its factorization.

22454928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957 (or 945 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 22454928 is about 4738.6631026061. The cubic root of 22454928 is about 282.1221743134.

The spelling of 22454928 in words is "twenty-two million, four hundred fifty-four thousand, nine hundred twenty-eight".