1022972216 has 96 divisors (see below), whose sum is σ = 2332508400. Its totient is φ = 419342784.

The previous prime is 1022972213. The next prime is 1022972221. The reversal of 1022972216 is 6122792201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022972213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9560435 + ... + 9560541.

Almost surely, 2^1022972216 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 1022972216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1166254200).

1022972216 is an abundant number, since it is smaller than the sum of its proper divisors (1309536184).

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

1022972216 is an equidigital number, since it uses as much as digits as its factorization.

1022972216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 1022972216 is about 31983.9368433594. The cubic root of 1022972216 is about 1007.5995065369.

The spelling of 1022972216 in words is "one billion, twenty-two million, nine hundred seventy-two thousand, two hundred sixteen".