22140495 has 24 divisors (see below), whose sum is σ = 41330016. Its totient is φ = 10899648.

The previous prime is 22140493. The next prime is 22140509. The reversal of 22140495 is 59404122.

It is not a de Polignac number, because 22140495 - 2¹ = 22140493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22140493) 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, 18339 + ... + 19508.

It is an arithmetic number, because the mean of its divisors is an integer number (1722084).

Almost surely, 2^22140495 is an apocalyptic number.

22140495 is a deficient number, since it is larger than the sum of its proper divisors (19189521).

22140495 is a wasteful number, since it uses less digits than its factorization.

22140495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37871 (or 37868 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 22140495 is about 4705.3687421923. The cubic root of 22140495 is about 280.7991413396.

The spelling of 22140495 in words is "twenty-two million, one hundred forty thousand, four hundred ninety-five".