22487253 has 8 divisors (see below), whose sum is σ = 30009600. Its totient is φ = 14978208.

The previous prime is 22487249. The next prime is 22487263. The reversal of 22487253 is 35278422.

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

It is not a de Polignac number, because 22487253 - 2² = 22487249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22487263) 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, 1713 + ... + 6921.

It is an arithmetic number, because the mean of its divisors is an integer number (3751200).

Almost surely, 2^22487253 is an apocalyptic number.

It is an amenable number.

22487253 is a deficient number, since it is larger than the sum of its proper divisors (7522347).

22487253 is a wasteful number, since it uses less digits than its factorization.

22487253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6651.

The product of its digits is 26880, while the sum is 33.

The square root of 22487253 is about 4742.0726481150. The cubic root of 22487253 is about 282.2574857655.

The spelling of 22487253 in words is "twenty-two million, four hundred eighty-seven thousand, two hundred fifty-three".