22501233324 has 72 divisors (see below), whose sum is σ = 59984608320. Its totient is φ = 7373266704.

The previous prime is 22501233311. The next prime is 22501233331. The reversal of 22501233324 is 42333210522.

It is a super-2 number, since 2×22501233324² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138834 + ... + 253529.

It is an arithmetic number, because the mean of its divisors is an integer number (833119560).

Almost surely, 2^22501233324 is an apocalyptic number.

It is an amenable number.

22501233324 is an abundant number, since it is smaller than the sum of its proper divisors (37483374996).

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

22501233324 is a wasteful number, since it uses less digits than its factorization.

22501233324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392441 (or 392427 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 22501233324 its reverse (42333210522), we get a palindrome (64834443846).

The spelling of 22501233324 in words is "twenty-two billion, five hundred one million, two hundred thirty-three thousand, three hundred twenty-four".