1222196465 has 16 divisors (see below), whose sum is σ = 1710364800. Its totient is φ = 838076400.

The previous prime is 1222196447. The next prime is 1222196491. The reversal of 1222196465 is 5646912221.

It is a happy number.

It is not a de Polignac number, because 1222196465 - 2⁶ = 1222196401 is a prime.

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, 354611 + ... + 358040.

It is an arithmetic number, because the mean of its divisors is an integer number (106897800).

Almost surely, 2^1222196465 is an apocalyptic number.

It is an amenable number.

1222196465 is a deficient number, since it is larger than the sum of its proper divisors (488168335).

1222196465 is an frugal number, since it uses more digits than its factorization.

1222196465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712677 (or 712663 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 1222196465 is about 34959.9265588473. The cubic root of 1222196465 is about 1069.1705992936.

The spelling of 1222196465 in words is "one billion, two hundred twenty-two million, one hundred ninety-six thousand, four hundred sixty-five".