1392172222 has 24 divisors (see below), whose sum is σ = 2448347904. Its totient is φ = 591941952.

The previous prime is 1392172219. The next prime is 1392172247. The reversal of 1392172222 is 2222712931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43483 + ... + 68374.

It is an arithmetic number, because the mean of its divisors is an integer number (102014496).

Almost surely, 2^1392172222 is an apocalyptic number.

1392172222 is a deficient number, since it is larger than the sum of its proper divisors (1056175682).

1392172222 is a wasteful number, since it uses less digits than its factorization.

1392172222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112000 (or 111993 counting only the distinct ones).

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

The square root of 1392172222 is about 37311.8241580333. The cubic root of 1392172222 is about 1116.6000801265.

The spelling of 1392172222 in words is "one billion, three hundred ninety-two million, one hundred seventy-two thousand, two hundred twenty-two".