22554042 has 16 divisors (see below), whose sum is σ = 51552192. Its totient is φ = 6444000.

The previous prime is 22554041. The next prime is 22554043. The reversal of 22554042 is 24045522.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22554041) and next prime (22554043).

It is not an unprimeable number, because it can be changed into a prime (22554041) 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, 268459 + ... + 268542.

It is an arithmetic number, because the mean of its divisors is an integer number (3222012).

Almost surely, 2^22554042 is an apocalyptic number.

22554042 is an abundant number, since it is smaller than the sum of its proper divisors (28998150).

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

22554042 is a wasteful number, since it uses less digits than its factorization.

22554042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537013.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 22554042 is about 4749.1096007568. The cubic root of 22554042 is about 282.5366522523.

Adding to 22554042 its reverse (24045522), we get a palindrome (46599564).

The spelling of 22554042 in words is "twenty-two million, five hundred fifty-four thousand, forty-two".