422577142 has 8 divisors (see below), whose sum is σ = 682624656. Its totient is φ = 195035592.

The previous prime is 422577139. The next prime is 422577149. The reversal of 422577142 is 241775224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 422577098 and 422577107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422577149) 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, 8126458 + ... + 8126509.

It is an arithmetic number, because the mean of its divisors is an integer number (85328082).

Almost surely, 2^422577142 is an apocalyptic number.

422577142 is a deficient number, since it is larger than the sum of its proper divisors (260047514).

422577142 is a wasteful number, since it uses less digits than its factorization.

422577142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16252982.

The product of its digits is 31360, while the sum is 34.

The square root of 422577142 is about 20556.6812010110. The cubic root of 422577142 is about 750.4158535267.

The spelling of 422577142 in words is "four hundred twenty-two million, five hundred seventy-seven thousand, one hundred forty-two".