22142495 has 16 divisors (see below), whose sum is σ = 27203808. Its totient is φ = 17297280.

The previous prime is 22142459. The next prime is 22142507. The reversal of 22142495 is 59424122.

It is not a de Polignac number, because 22142495 - 2¹⁶ = 22076959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52385 + ... + 52805.

It is an arithmetic number, because the mean of its divisors is an integer number (1700238).

Almost surely, 2^22142495 is an apocalyptic number.

22142495 is a deficient number, since it is larger than the sum of its proper divisors (5061313).

22142495 is a wasteful number, since it uses less digits than its factorization.

22142495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650.

The product of its digits is 5760, while the sum is 29.

The square root of 22142495 is about 4705.5812605883. The cubic root of 22142495 is about 280.8075961547.

The spelling of 22142495 in words is "twenty-two million, one hundred forty-two thousand, four hundred ninety-five".