2022659172 has 72 divisors (see below), whose sum is σ = 5305755000. Its totient is φ = 648926208.

The previous prime is 2022659081. The next prime is 2022659173. The reversal of 2022659172 is 2719562202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3594816 + 2019064356 = 1896^2 + 44934^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2022659173) 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, 348954 + ... + 354702.

Almost surely, 2^2022659172 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 2022659172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2652877500).

2022659172 is an abundant number, since it is smaller than the sum of its proper divisors (3283095828).

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

2022659172 is a wasteful number, since it uses less digits than its factorization.

2022659172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6125 (or 6120 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 2022659172 is about 44973.9832792249. The cubic root of 2022659172 is about 1264.6613209057.

The spelling of 2022659172 in words is "two billion, twenty-two million, six hundred fifty-nine thousand, one hundred seventy-two".