10221772352 has 112 divisors (see below), whose sum is σ = 23056535040. Its totient is φ = 4454092800.

The previous prime is 10221772333. The next prime is 10221772357. The reversal of 10221772352 is 25327712201.

It is a super-2 number, since 2×10221772352² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (10221772357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2376668 + ... + 2380964.

It is an arithmetic number, because the mean of its divisors is an integer number (205861920).

Almost surely, 2^10221772352 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 10221772352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11528267520).

10221772352 is an abundant number, since it is smaller than the sum of its proper divisors (12834762688).

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

10221772352 is a wasteful number, since it uses less digits than its factorization.

10221772352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4460 (or 4450 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The spelling of 10221772352 in words is "ten billion, two hundred twenty-one million, seven hundred seventy-two thousand, three hundred fifty-two".