22545542 has 16 divisors (see below), whose sum is σ = 34428240. Its totient is φ = 11071488.

The previous prime is 22545529. The next prime is 22545577. The reversal of 22545542 is 24554522.

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, 28934 + ... + 29702.

It is an arithmetic number, because the mean of its divisors is an integer number (2151765).

Almost surely, 2^22545542 is an apocalyptic number.

22545542 is a deficient number, since it is larger than the sum of its proper divisors (11882698).

22545542 is a wasteful number, since it uses less digits than its factorization.

22545542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015.

The product of its digits is 16000, while the sum is 29.

The square root of 22545542 is about 4748.2146118304. The cubic root of 22545542 is about 282.5011543535.

The spelling of 22545542 in words is "twenty-two million, five hundred forty-five thousand, five hundred forty-two".