422053997 has 4 divisors (see below), whose sum is σ = 422184480. Its totient is φ = 421923516.

The previous prime is 422053991. The next prime is 422054027. The reversal of 422053997 is 799350224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 422053997 - 2⁴ = 422053981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422053991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60263 + ... + 66900.

It is an arithmetic number, because the mean of its divisors is an integer number (105546120).

Almost surely, 2^422053997 is an apocalyptic number.

It is an amenable number.

422053997 is a deficient number, since it is larger than the sum of its proper divisors (130483).

422053997 is a wasteful number, since it uses less digits than its factorization.

422053997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130482.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 422053997 is about 20543.9528085517. The cubic root of 422053997 is about 750.1060572981.

The spelling of 422053997 in words is "four hundred twenty-two million, fifty-three thousand, nine hundred ninety-seven".