1373222961 has 12 divisors (see below), whose sum is σ = 2163866640. Its totient is φ = 832256280.

The previous prime is 1373222909. The next prime is 1373222969. The reversal of 1373222961 is 1692223731.

1373222961 is a `hidden beast` number, since 1 + 373 + 2 + 229 + 61 = 666.

It is not a de Polignac number, because 1373222961 - 2⁶ = 1373222897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1373222969) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6935371 + ... + 6935568.

It is an arithmetic number, because the mean of its divisors is an integer number (180322220).

Almost surely, 2^1373222961 is an apocalyptic number.

1373222961 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1373222961 is a deficient number, since it is larger than the sum of its proper divisors (790643679).

1373222961 is a wasteful number, since it uses less digits than its factorization.

1373222961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13870956 (or 13870953 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 1373222961 is about 37057.0230995421. The cubic root of 1373222961 is about 1111.5107964200.

The spelling of 1373222961 in words is "one billion, three hundred seventy-three million, two hundred twenty-two thousand, nine hundred sixty-one".