22153254 has 8 divisors (see below), whose sum is σ = 44306520. Its totient is φ = 7384416.

The previous prime is 22153253. The next prime is 22153267. The reversal of 22153254 is 45235122.

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

22153254 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22153253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1846099 + ... + 1846110.

It is an arithmetic number, because the mean of its divisors is an integer number (5538315).

Almost surely, 2^22153254 is an apocalyptic number.

22153254 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22153254 is a wasteful number, since it uses less digits than its factorization.

22153254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3692214.

The product of its digits is 2400, while the sum is 24.

The square root of 22153254 is about 4706.7243386457. The cubic root of 22153254 is about 280.8530700985.

Adding to 22153254 its reverse (45235122), we get a palindrome (67388376).

The spelling of 22153254 in words is "twenty-two million, one hundred fifty-three thousand, two hundred fifty-four".