422655501 has 4 divisors (see below), whose sum is σ = 563540672. Its totient is φ = 281770332.

The previous prime is 422655491. The next prime is 422655509. The reversal of 422655501 is 105556224.

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 not a de Polignac number, because 422655501 - 2⁵ = 422655469 is a prime.

It is a super-2 number, since 2×422655501² = 357275345051122002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422655509) 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, 70442581 + ... + 70442586.

It is an arithmetic number, because the mean of its divisors is an integer number (140885168).

Almost surely, 2^422655501 is an apocalyptic number.

It is an amenable number.

422655501 is a deficient number, since it is larger than the sum of its proper divisors (140885171).

422655501 is a wasteful number, since it uses less digits than its factorization.

422655501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140885170.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 422655501 is about 20558.5870380238. The cubic root of 422655501 is about 750.4622341720.

The spelling of 422655501 in words is "four hundred twenty-two million, six hundred fifty-five thousand, five hundred one".