422101427 has 4 divisors (see below), whose sum is σ = 460474296. Its totient is φ = 383728560.

The previous prime is 422101357. The next prime is 422101453. The reversal of 422101427 is 724101224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 422101427 - 2⁸ = 422101171 is a prime.

It is a super-2 number, since 2×422101427² = 356339229350872658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422104427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19186418 + ... + 19186439.

It is an arithmetic number, because the mean of its divisors is an integer number (115118574).

Almost surely, 2^422101427 is an apocalyptic number.

422101427 is a deficient number, since it is larger than the sum of its proper divisors (38372869).

422101427 is a wasteful number, since it uses less digits than its factorization.

422101427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38372868.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 422101427 is about 20545.1071304094. The cubic root of 422101427 is about 750.1341549648.

The spelling of 422101427 in words is "four hundred twenty-two million, one hundred one thousand, four hundred twenty-seven".