1222765915607 has 8 divisors (see below), whose sum is σ = 1234082868480. Its totient is φ = 1211450761440.

The previous prime is 1222765915601. The next prime is 1222765915633. The reversal of 1222765915607 is 7065195672221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1222765915607 - 2¹⁶ = 1222765850071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222765915601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 935882 + ... + 1822472.

It is an arithmetic number, because the mean of its divisors is an integer number (154260358560).

Almost surely, 2^{1222765915607} is an apocalyptic number.

1222765915607 is a deficient number, since it is larger than the sum of its proper divisors (11316952873).

1222765915607 is a wasteful number, since it uses less digits than its factorization.

1222765915607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899353.

The product of its (nonzero) digits is 3175200, while the sum is 53.

The spelling of 1222765915607 in words is "one trillion, two hundred twenty-two billion, seven hundred sixty-five million, nine hundred fifteen thousand, six hundred seven".