1222057377 has 12 divisors (see below), whose sum is σ = 1806245584. Its totient is φ = 795758040.

The previous prime is 1222057363. The next prime is 1222057381. The reversal of 1222057377 is 7737502221.

1222057377 is a `hidden beast` number, since 12 + 2 + 2 + 0 + 573 + 77 = 666.

It is not a de Polignac number, because 1222057377 - 2²⁶ = 1154948513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222057327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1578499 + ... + 1579272.

Almost surely, 2^1222057377 is an apocalyptic number.

It is an amenable number.

1222057377 is a deficient number, since it is larger than the sum of its proper divisors (584188207).

1222057377 is a wasteful number, since it uses less digits than its factorization.

1222057377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3157820 (or 3157817 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

The square root of 1222057377 is about 34957.9372532190. The cubic root of 1222057377 is about 1069.1300399547.

Adding to 1222057377 its reverse (7737502221), we get a palindrome (8959559598).

The spelling of 1222057377 in words is "one billion, two hundred twenty-two million, fifty-seven thousand, three hundred seventy-seven".