1222744764 has 24 divisors (see below), whose sum is σ = 2860058320. Its totient is φ = 406583424.

The previous prime is 1222744751. The next prime is 1222744801. The reversal of 1222744764 is 4674472221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119659 + ... + 129474.

Almost surely, 2^1222744764 is an apocalyptic number.

It is an amenable number.

1222744764 is an abundant number, since it is smaller than the sum of its proper divisors (1637313556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222744764 is a wasteful number, since it uses less digits than its factorization.

1222744764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249549 (or 249547 counting only the distinct ones).

The product of its digits is 150528, while the sum is 39.

The square root of 1222744764 is about 34967.7675009429. The cubic root of 1222744764 is about 1069.3304583521.

The spelling of 1222744764 in words is "one billion, two hundred twenty-two million, seven hundred forty-four thousand, seven hundred sixty-four".