22237137 has 24 divisors (see below), whose sum is σ = 35712768. Its totient is φ = 13240800.

The previous prime is 22237133. The next prime is 22237151. The reversal of 22237137 is 73173222.

It is a happy number.

It is not a de Polignac number, because 22237137 - 2² = 22237133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22237137.

It is not an unprimeable number, because it can be changed into a prime (22237133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 562 + ... + 6692.

It is an arithmetic number, because the mean of its divisors is an integer number (1488032).

Almost surely, 2^22237137 is an apocalyptic number.

It is an amenable number.

22237137 is a deficient number, since it is larger than the sum of its proper divisors (13475631).

22237137 is a wasteful number, since it uses less digits than its factorization.

22237137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6181 (or 6178 counting only the distinct ones).

The product of its digits is 3528, while the sum is 27.

The square root of 22237137 is about 4715.6268936378. The cubic root of 22237137 is about 281.2071057547.

The spelling of 22237137 in words is "twenty-two million, two hundred thirty-seven thousand, one hundred thirty-seven".