22226136 has 16 divisors (see below), whose sum is σ = 55565400. Its totient is φ = 7408704.

The previous prime is 22226129. The next prime is 22226137. The reversal of 22226136 is 63162222.

It is a super-2 number, since 2×22226136² = 988002242980992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 926089 = 22226136 / (2 + 2 + 2 + 2 + 6 + 1 + 3 + 6).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22226137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463021 + ... + 463068.

Almost surely, 2^22226136 is an apocalyptic number.

It is an amenable number.

22226136 is an abundant number, since it is smaller than the sum of its proper divisors (33339264).

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

22226136 is a wasteful number, since it uses less digits than its factorization.

22226136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926098 (or 926094 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 22226136 is about 4714.4603084553. The cubic root of 22226136 is about 281.1607258385.

Adding to 22226136 its reverse (63162222), we get a palindrome (85388358).

The spelling of 22226136 in words is "twenty-two million, two hundred twenty-six thousand, one hundred thirty-six".