1222013097 has 12 divisors (see below), whose sum is σ = 1812836740. Its totient is φ = 792656928.

The previous prime is 1222013059. The next prime is 1222013137. The reversal of 1222013097 is 7903102221.

It can be written as a sum of positive squares in 2 ways, for example, as 1151855721 + 70157376 = 33939^2 + 8376^2 .

It is not a de Polignac number, because 1222013097 - 2⁷ = 1222012969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1222013097.

It is not an unprimeable number, because it can be changed into a prime (1222013197) 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, 1834522 + ... + 1835187.

Almost surely, 2^1222013097 is an apocalyptic number.

It is an amenable number.

1222013097 is a deficient number, since it is larger than the sum of its proper divisors (590823643).

1222013097 is a wasteful number, since it uses less digits than its factorization.

1222013097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3669752 (or 3669749 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 1222013097 is about 34957.3039149188. The cubic root of 1222013097 is about 1069.1171268540.

The spelling of 1222013097 in words is "one billion, two hundred twenty-two million, thirteen thousand, ninety-seven".