1156664222 has 16 divisors (see below), whose sum is σ = 2001386880. Its totient is φ = 491079768.

The previous prime is 1156664189. The next prime is 1156664233. The reversal of 1156664222 is 2224666511.

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, 384572 + ... + 387567.

It is an arithmetic number, because the mean of its divisors is an integer number (125086680).

Almost surely, 2^1156664222 is an apocalyptic number.

1156664222 is a deficient number, since it is larger than the sum of its proper divisors (844722658).

1156664222 is a wasteful number, since it uses less digits than its factorization.

1156664222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772255.

The product of its digits is 34560, while the sum is 35.

The square root of 1156664222 is about 34009.7665678552. The cubic root of 1156664222 is about 1049.7094349437.

The spelling of 1156664222 in words is "one billion, one hundred fifty-six million, six hundred sixty-four thousand, two hundred twenty-two".