422450555 has 4 divisors (see below), whose sum is σ = 506940672. Its totient is φ = 337960440.

The previous prime is 422450521. The next prime is 422450563. The reversal of 422450555 is 555054224.

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

It is a de Polignac number, because none of the positive numbers 2^k-422450555 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42245051 + ... + 42245060.

It is an arithmetic number, because the mean of its divisors is an integer number (126735168).

Almost surely, 2^422450555 is an apocalyptic number.

422450555 is a deficient number, since it is larger than the sum of its proper divisors (84490117).

422450555 is an equidigital number, since it uses as much as digits as its factorization.

422450555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84490116.

The product of its (nonzero) digits is 40000, while the sum is 32.

The square root of 422450555 is about 20553.6019957573. The cubic root of 422450555 is about 750.3409146424.

The spelling of 422450555 in words is "four hundred twenty-two million, four hundred fifty thousand, five hundred fifty-five".