422121146 has 4 divisors (see below), whose sum is σ = 633181722. Its totient is φ = 211060572.

The previous prime is 422121143. The next prime is 422121163. The reversal of 422121146 is 641121224.

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., 372065521 + 50055625 = 19289^2 + 7075^2 .

It is not an unprimeable number, because it can be changed into a prime (422121143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105530285 + ... + 105530288.

Almost surely, 2^422121146 is an apocalyptic number.

422121146 is a deficient number, since it is larger than the sum of its proper divisors (211060576).

422121146 is a wasteful number, since it uses less digits than its factorization.

422121146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211060575.

The product of its digits is 768, while the sum is 23.

The square root of 422121146 is about 20545.5870200878. The cubic root of 422121146 is about 750.1458359370.

The spelling of 422121146 in words is "four hundred twenty-two million, one hundred twenty-one thousand, one hundred forty-six".