22453871 has 8 divisors (see below), whose sum is σ = 24530688. Its totient is φ = 20383000.

The previous prime is 22453861. The next prime is 22453883. The reversal of 22453871 is 17835422.

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

It is not a de Polignac number, because 22453871 - 2¹⁰ = 22452847 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 (22453841) 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, 11066 + ... + 12936.

It is an arithmetic number, because the mean of its divisors is an integer number (3066336).

Almost surely, 2^22453871 is an apocalyptic number.

22453871 is a deficient number, since it is larger than the sum of its proper divisors (2076817).

22453871 is a wasteful number, since it uses less digits than its factorization.

22453871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2973.

The product of its digits is 13440, while the sum is 32.

The square root of 22453871 is about 4738.5515719469. The cubic root of 22453871 is about 282.1177475522.

It can be divided in two parts, 2245 and 3871, that added together give a palindrome (6116).

The spelling of 22453871 in words is "twenty-two million, four hundred fifty-three thousand, eight hundred seventy-one".