1222764622 has 4 divisors (see below), whose sum is σ = 1834146936. Its totient is φ = 611382310.

The previous prime is 1222764583. The next prime is 1222764677. The reversal of 1222764622 is 2264672221.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305691154 + ... + 305691157.

It is an arithmetic number, because the mean of its divisors is an integer number (458536734).

Almost surely, 2^1222764622 is an apocalyptic number.

1222764622 is a deficient number, since it is larger than the sum of its proper divisors (611382314).

1222764622 is an equidigital number, since it uses as much as digits as its factorization.

1222764622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611382313.

The product of its digits is 32256, while the sum is 34.

The square root of 1222764622 is about 34968.0514469994. The cubic root of 1222764622 is about 1069.3362471452.

The spelling of 1222764622 in words is "one billion, two hundred twenty-two million, seven hundred sixty-four thousand, six hundred twenty-two".