422977162 has 4 divisors (see below), whose sum is σ = 634465746. Its totient is φ = 211488580.

The previous prime is 422977147. The next prime is 422977169. The reversal of 422977162 is 261779224.

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

It can be written as a sum of positive squares in only one way, i.e., 378341401 + 44635761 = 19451^2 + 6681^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (422977169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105744289 + ... + 105744292.

Almost surely, 2^422977162 is an apocalyptic number.

422977162 is a deficient number, since it is larger than the sum of its proper divisors (211488584).

422977162 is a wasteful number, since it uses less digits than its factorization.

422977162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211488583.

The product of its digits is 84672, while the sum is 40.

The square root of 422977162 is about 20566.4085829296. The cubic root of 422977162 is about 750.6525650841.

The spelling of 422977162 in words is "four hundred twenty-two million, nine hundred seventy-seven thousand, one hundred sixty-two".