22547454 has 8 divisors (see below), whose sum is σ = 45094920. Its totient is φ = 7515816.

The previous prime is 22547449. The next prime is 22547461. The reversal of 22547454 is 45474522.

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

22547454 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1878949 + ... + 1878960.

It is an arithmetic number, because the mean of its divisors is an integer number (5636865).

Almost surely, 2^22547454 is an apocalyptic number.

22547454 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.

22547454 is a wasteful number, since it uses less digits than its factorization.

22547454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3757914.

The product of its digits is 44800, while the sum is 33.

The square root of 22547454 is about 4748.4159463973. The cubic root of 22547454 is about 282.5091400703.

The spelling of 22547454 in words is "twenty-two million, five hundred forty-seven thousand, four hundred fifty-four".