22206536 has 32 divisors (see below), whose sum is σ = 45636480. Its totient is φ = 10046400.

The previous prime is 22206529. The next prime is 22206557. The reversal of 22206536 is 63560222.

It is a super-2 number, since 2×22206536² = 986260482238592, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23921 + ... + 24831.

It is an arithmetic number, because the mean of its divisors is an integer number (1426140).

Almost surely, 2^22206536 is an apocalyptic number.

It is an amenable number.

22206536 is an abundant number, since it is smaller than the sum of its proper divisors (23429944).

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

22206536 is a wasteful number, since it uses less digits than its factorization.

22206536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205 (or 1201 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 22206536 is about 4712.3811390846. The cubic root of 22206536 is about 281.0780548351.

Adding to 22206536 its reverse (63560222), we get a palindrome (85766758).

The spelling of 22206536 in words is "twenty-two million, two hundred six thousand, five hundred thirty-six".