22226057 has 10 divisors (see below), whose sum is σ = 25931658. Its totient is φ = 19048848.

The previous prime is 22226047. The next prime is 22226063. The reversal of 22226057 is 75062222.

It can be written as a sum of positive squares in only one way, i.e., 13868176 + 8357881 = 3724^2 + 2891^2 .

It is not a de Polignac number, because 22226057 - 2²² = 18031753 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22226047) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2228 + ... + 7029.

Almost surely, 2^22226057 is an apocalyptic number.

It is an amenable number.

22226057 is a deficient number, since it is larger than the sum of its proper divisors (3705601).

22226057 is an frugal number, since it uses more digits than its factorization.

22226057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9285 (or 9264 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 22226057 is about 4714.4519299702. The cubic root of 22226057 is about 281.1603927213.

Adding to 22226057 its reverse (75062222), we get a palindrome (97288279).

The spelling of 22226057 in words is "twenty-two million, two hundred twenty-six thousand, fifty-seven".