22862224 has 90 divisors (see below), whose sum is σ = 56872662. Its totient is φ = 8870400.

The previous prime is 22862173. The next prime is 22862233. The reversal of 22862224 is 42226822.

It can be written as a sum of positive squares in only one way, i.e., 21344400 + 1517824 = 4620^2 + 1232^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 22862192 and 22862201.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 94744 + ... + 94984.

Almost surely, 2^22862224 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 22862224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28436331).

22862224 is an abundant number, since it is smaller than the sum of its proper divisors (34010438).

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

22862224 is a wasteful number, since it uses less digits than its factorization.

22862224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285 (or 261 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

The square root of 22862224 is about 4781.4458064481. The cubic root of 22862224 is about 283.8177101702.

The spelling of 22862224 in words is "twenty-two million, eight hundred sixty-two thousand, two hundred twenty-four".