22530542 has 16 divisors (see below), whose sum is σ = 37668240. Its totient is φ = 10044288.

The previous prime is 22530539. The next prime is 22530569. The reversal of 22530542 is 24503522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16793 + ... + 18084.

It is an arithmetic number, because the mean of its divisors is an integer number (2354265).

Almost surely, 2^22530542 is an apocalyptic number.

22530542 is a deficient number, since it is larger than the sum of its proper divisors (15137698).

22530542 is a wasteful number, since it uses less digits than its factorization.

22530542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34915.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 22530542 is about 4746.6348079455. The cubic root of 22530542 is about 282.4384892313.

The spelling of 22530542 in words is "twenty-two million, five hundred thirty thousand, five hundred forty-two".