22136670 has 24 divisors (see below), whose sum is σ = 57555576. Its totient is φ = 5903088.

The previous prime is 22136663. The next prime is 22136687. The reversal of 22136670 is 7663122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122892 + ... + 123071.

It is an arithmetic number, because the mean of its divisors is an integer number (2398149).

Almost surely, 2^22136670 is an apocalyptic number.

22136670 is an abundant number, since it is smaller than the sum of its proper divisors (35418906).

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

22136670 is a wasteful number, since it uses less digits than its factorization.

22136670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245976 (or 245973 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 22136670 is about 4704.9622740252. The cubic root of 22136670 is about 280.7829700876.

Adding to 22136670 its reverse (7663122), we get a palindrome (29799792).

The spelling of 22136670 in words is "twenty-two million, one hundred thirty-six thousand, six hundred seventy".