22372352072 has 64 divisors (see below), whose sum is σ = 49077273600. Its totient is φ = 9363009600.

The previous prime is 22372352069. The next prime is 22372352099. The reversal of 22372352072 is 27025327322.

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, 476483 + ... + 521325.

It is an arithmetic number, because the mean of its divisors is an integer number (766832400).

Almost surely, 2^22372352072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22372352072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24538636800).

22372352072 is an abundant number, since it is smaller than the sum of its proper divisors (26704921528).

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

22372352072 is a wasteful number, since it uses less digits than its factorization.

22372352072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45066 (or 45062 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 35.

Adding to 22372352072 its reverse (27025327322), we get a palindrome (49397679394).

The spelling of 22372352072 in words is "twenty-two billion, three hundred seventy-two million, three hundred fifty-two thousand, seventy-two".