22023452220 has 96 divisors (see below), whose sum is σ = 76881885696. Its totient is φ = 4576300800.

The previous prime is 22023452219. The next prime is 22023452237. The reversal of 22023452220 is 2225432022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2378871 + ... + 2388110.

It is an arithmetic number, because the mean of its divisors is an integer number (800852976).

Almost surely, 2^22023452220 is an apocalyptic number.

22023452220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22023452220 is an abundant number, since it is smaller than the sum of its proper divisors (54858433476).

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

22023452220 is a wasteful number, since it uses less digits than its factorization.

22023452220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4767011 (or 4767009 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

Adding to 22023452220 its reverse (2225432022), we get a palindrome (24248884242).

The spelling of 22023452220 in words is "twenty-two billion, twenty-three million, four hundred fifty-two thousand, two hundred twenty".