22542005122 has 32 divisors (see below), whose sum is σ = 41831701632. Its totient is φ = 8871496704.

The previous prime is 22542005113. The next prime is 22542005147. The reversal of 22542005122 is 22150024522.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285748 + ... + 355999.

It is an arithmetic number, because the mean of its divisors is an integer number (1307240676).

Almost surely, 2^22542005122 is an apocalyptic number.

22542005122 is a deficient number, since it is larger than the sum of its proper divisors (19289696510).

22542005122 is a wasteful number, since it uses less digits than its factorization.

22542005122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641962.

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 22542005122 its reverse (22150024522), we get a palindrome (44692029644).

The spelling of 22542005122 in words is "twenty-two billion, five hundred forty-two million, five thousand, one hundred twenty-two".