22540995 has 12 divisors (see below), whose sum is σ = 39071136. Its totient is φ = 12021840.

The previous prime is 22540993. The next prime is 22541003. The reversal of 22540995 is 59904522.

It is a happy number.

22540995 is a `hidden beast` number, since 22 + 540 + 9 + 95 = 666.

It is not a de Polignac number, because 22540995 - 2¹ = 22540993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22540993) 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, 250411 + ... + 250500.

It is an arithmetic number, because the mean of its divisors is an integer number (3255928).

Almost surely, 2^22540995 is an apocalyptic number.

22540995 is a deficient number, since it is larger than the sum of its proper divisors (16530141).

22540995 is a wasteful number, since it uses less digits than its factorization.

22540995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500922 (or 500919 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 22540995 is about 4747.7357761358. The cubic root of 22540995 is about 282.4821614026.

The spelling of 22540995 in words is "twenty-two million, five hundred forty thousand, nine hundred ninety-five".