1222290706 has 32 divisors (see below), whose sum is σ = 2266467840. Its totient is φ = 481415616.

The previous prime is 1222290689. The next prime is 1222290731. The reversal of 1222290706 is 6070922221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27015 + ... + 56341.

It is an arithmetic number, because the mean of its divisors is an integer number (70827120).

Almost surely, 2^1222290706 is an apocalyptic number.

1222290706 is a deficient number, since it is larger than the sum of its proper divisors (1044177134).

1222290706 is a wasteful number, since it uses less digits than its factorization.

1222290706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29578.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1222290706 is about 34961.2743760865. The cubic root of 1222290706 is about 1069.1980790864.

The spelling of 1222290706 in words is "one billion, two hundred twenty-two million, two hundred ninety thousand, seven hundred six".