22137253 has 8 divisors (see below), whose sum is σ = 22815576. Its totient is φ = 21465600.

The previous prime is 22137251. The next prime is 22137257. The reversal of 22137253 is 35273122.

It can be written as a sum of positive squares in 4 ways, for example, as 19044 + 22118209 = 138^2 + 4703^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22137253 - 2¹ = 22137251 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 (22137251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5533 + ... + 8653.

It is an arithmetic number, because the mean of its divisors is an integer number (2851947).

Almost surely, 2^22137253 is an apocalyptic number.

It is an amenable number.

22137253 is a deficient number, since it is larger than the sum of its proper divisors (678323).

22137253 is a wasteful number, since it uses less digits than its factorization.

22137253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3335.

The product of its digits is 2520, while the sum is 25.

The square root of 22137253 is about 4705.0242294807. The cubic root of 22137253 is about 280.7854350026.

The spelling of 22137253 in words is "twenty-two million, one hundred thirty-seven thousand, two hundred fifty-three".