22187053 has 6 divisors (see below), whose sum is σ = 25809486. Its totient is φ = 19017432.

The previous prime is 22187047. The next prime is 22187131. The reversal of 22187053 is 35078122.

It can be written as a sum of positive squares in only one way, i.e., 21409129 + 777924 = 4627^2 + 882^2 .

It is not a de Polignac number, because 22187053 - 2⁵ = 22187021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22188053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 226350 + ... + 226447.

It is an arithmetic number, because the mean of its divisors is an integer number (4301581).

Almost surely, 2^22187053 is an apocalyptic number.

It is an amenable number.

22187053 is a deficient number, since it is larger than the sum of its proper divisors (3622433).

22187053 is an equidigital number, since it uses as much as digits as its factorization.

22187053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452811 (or 452804 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 22187053 is about 4710.3134715218. The cubic root of 22187053 is about 280.9958291027.

The spelling of 22187053 in words is "twenty-two million, one hundred eighty-seven thousand, fifty-three".