22075137 has 24 divisors (see below), whose sum is σ = 37190400. Its totient is φ = 12612600.

The previous prime is 22075117. The next prime is 22075139. The reversal of 22075137 is 73157022.

It is not a de Polignac number, because 22075137 - 2¹² = 22071041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22075137.

It is not an unprimeable number, because it can be changed into a prime (22075139) 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, 489 + ... + 6662.

It is an arithmetic number, because the mean of its divisors is an integer number (1549600).

Almost surely, 2^22075137 is an apocalyptic number.

It is an amenable number.

22075137 is a deficient number, since it is larger than the sum of its proper divisors (15115263).

22075137 is an equidigital number, since it uses as much as digits as its factorization.

22075137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7178 (or 7161 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 22075137 is about 4698.4185637297. The cubic root of 22075137 is about 280.5225657921.

It can be divided in two parts, 220 and 75137, that added together give a palindrome (75357).

The spelling of 22075137 in words is "twenty-two million, seventy-five thousand, one hundred thirty-seven".