22122236 has 24 divisors (see below), whose sum is σ = 41368320. Its totient is φ = 10314752.

The previous prime is 22122223. The next prime is 22122241. The reversal of 22122236 is 63222122.

It is a congruent number.

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, 6245 + ... + 9123.

It is an arithmetic number, because the mean of its divisors is an integer number (1723680).

Almost surely, 2^22122236 is an apocalyptic number.

It is an amenable number.

22122236 is a deficient number, since it is larger than the sum of its proper divisors (19246084).

22122236 is a wasteful number, since it uses less digits than its factorization.

22122236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3013 (or 3011 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 22122236 is about 4703.4281114948. The cubic root of 22122236 is about 280.7219295520.

Adding to 22122236 its reverse (63222122), we get a palindrome (85344358).

The spelling of 22122236 in words is "twenty-two million, one hundred twenty-two thousand, two hundred thirty-six".