22265540190 has 24 divisors (see below), whose sum is σ = 57890404728. Its totient is φ = 5937477360.

The previous prime is 22265540173. The next prime is 22265540191. The reversal of 22265540190 is 9104556222.

22265540190 is a `hidden beast` number, since 2 + 2 + 26 + 5 + 540 + 1 + 90 = 666.

It is a super-2 number, since 2×22265540190² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22265540191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123697356 + ... + 123697535.

It is an arithmetic number, because the mean of its divisors is an integer number (2412100197).

Almost surely, 2^22265540190 is an apocalyptic number.

22265540190 is an abundant number, since it is smaller than the sum of its proper divisors (35624864538).

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

22265540190 is a wasteful number, since it uses less digits than its factorization.

22265540190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247394904 (or 247394901 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 22265540190 in words is "twenty-two billion, two hundred sixty-five million, five hundred forty thousand, one hundred ninety".