2022630561 has 32 divisors (see below), whose sum is σ = 3449241600. Its totient is φ = 1147458960.

The previous prime is 2022630551. The next prime is 2022630581. The reversal of 2022630561 is 1650362202.

2022630561 is a `hidden beast` number, since 2 + 0 + 22 + 630 + 5 + 6 + 1 = 666.

It is not a de Polignac number, because 2022630561 - 2²¹ = 2020533409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2022630521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12225 + ... + 64766.

It is an arithmetic number, because the mean of its divisors is an integer number (107788800).

Almost surely, 2^2022630561 is an apocalyptic number.

2022630561 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2022630561 is a deficient number, since it is larger than the sum of its proper divisors (1426611039).

2022630561 is a wasteful number, since it uses less digits than its factorization.

2022630561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77146 (or 77140 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2022630561 is about 44973.6651942000. The cubic root of 2022630561 is about 1264.6553578982.

Adding to 2022630561 its reverse (1650362202), we get a palindrome (3672992763).

The spelling of 2022630561 in words is "two billion, twenty-two million, six hundred thirty thousand, five hundred sixty-one".