422020131 has 32 divisors (see below), whose sum is σ = 615951168. Its totient is φ = 255467520.

The previous prime is 422020063. The next prime is 422020139. The reversal of 422020131 is 131020224.

It is not a de Polignac number, because 422020131 - 2¹³ = 422011939 is a prime.

It is a super-2 number, since 2×422020131² = 356201981938514322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 422020131.

It is not an unprimeable number, because it can be changed into a prime (422020139) 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, 1062825 + ... + 1063221.

It is an arithmetic number, because the mean of its divisors is an integer number (19248474).

Almost surely, 2^422020131 is an apocalyptic number.

422020131 is a deficient number, since it is larger than the sum of its proper divisors (193931037).

422020131 is a wasteful number, since it uses less digits than its factorization.

422020131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 422020131 is about 20543.1285592044. The cubic root of 422020131 is about 750.0859936953.

Adding to 422020131 its reverse (131020224), we get a palindrome (553040355).

The spelling of 422020131 in words is "four hundred twenty-two million, twenty thousand, one hundred thirty-one".