22502542 has 8 divisors (see below), whose sum is σ = 34216416. Its totient is φ = 11097072.

The previous prime is 22502531. The next prime is 22502551. The reversal of 22502542 is 24520522.

It is a happy number.

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

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, 76918 + ... + 77209.

It is an arithmetic number, because the mean of its divisors is an integer number (4277052).

Almost surely, 2^22502542 is an apocalyptic number.

22502542 is a deficient number, since it is larger than the sum of its proper divisors (11713874).

22502542 is a wasteful number, since it uses less digits than its factorization.

22502542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154202.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 22502542 is about 4743.6844330120. The cubic root of 22502542 is about 282.3214398799.

The spelling of 22502542 in words is "twenty-two million, five hundred two thousand, five hundred forty-two".