22457196 has 48 divisors (see below), whose sum is σ = 58514400. Its totient is φ = 7448256.

The previous prime is 22457189. The next prime is 22457219. The reversal of 22457196 is 69175422.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22457196.

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, 28666 + ... + 29438.

It is an arithmetic number, because the mean of its divisors is an integer number (1219050).

Almost surely, 2^22457196 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 22457196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29257200).

22457196 is an abundant number, since it is smaller than the sum of its proper divisors (36057204).

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

22457196 is a wasteful number, since it uses less digits than its factorization.

22457196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055 (or 1047 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 22457196 is about 4738.9024045659. The cubic root of 22457196 is about 282.1316723258.

The spelling of 22457196 in words is "twenty-two million, four hundred fifty-seven thousand, one hundred ninety-six".