422051837 has 4 divisors (see below), whose sum is σ = 431867040. Its totient is φ = 412236636.

The previous prime is 422051813. The next prime is 422051857. The reversal of 422051837 is 738150224.

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 a de Polignac number, because none of the positive numbers 2^k-422051837 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 (422051857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4907537 + ... + 4907622.

It is an arithmetic number, because the mean of its divisors is an integer number (107966760).

Almost surely, 2^422051837 is an apocalyptic number.

It is an amenable number.

422051837 is a deficient number, since it is larger than the sum of its proper divisors (9815203).

422051837 is an equidigital number, since it uses as much as digits as its factorization.

422051837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9815202.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 422051837 is about 20543.9002382702. The cubic root of 422051837 is about 750.1047776578.

The spelling of 422051837 in words is "four hundred twenty-two million, fifty-one thousand, eight hundred thirty-seven".