22146506237 has 16 divisors (see below), whose sum is σ = 24379891200. Its totient is φ = 20026206720.

The previous prime is 22146506231. The next prime is 22146506257. The reversal of 22146506237 is 73260564122.

It is not a de Polignac number, because 22146506237 - 2⁸ = 22146505981 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22146506237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22146506231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77912 + ... + 224417.

It is an arithmetic number, because the mean of its divisors is an integer number (1523743200).

Almost surely, 2^22146506237 is an apocalyptic number.

It is an amenable number.

22146506237 is a deficient number, since it is larger than the sum of its proper divisors (2233384963).

22146506237 is a wasteful number, since it uses less digits than its factorization.

22146506237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302516.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 22146506237 in words is "twenty-two billion, one hundred forty-six million, five hundred six thousand, two hundred thirty-seven".