1422615561257 has 8 divisors (see below), whose sum is σ = 1556549428512. Its totient is φ = 1289449224000.

The previous prime is 1422615561209. The next prime is 1422615561271. The reversal of 1422615561257 is 7521655162241.

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 1422615561257 - 2²⁰ = 1422614512681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1422615560257) 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, 191878619 + ... + 191886032.

It is an arithmetic number, because the mean of its divisors is an integer number (194568678564).

Almost surely, 2^{1422615561257} is an apocalyptic number.

It is an amenable number.

1422615561257 is a deficient number, since it is larger than the sum of its proper divisors (133933867255).

1422615561257 is a wasteful number, since it uses less digits than its factorization.

1422615561257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383764999.

The product of its digits is 1008000, while the sum is 47.

The spelling of 1422615561257 in words is "one trillion, four hundred twenty-two billion, six hundred fifteen million, five hundred sixty-one thousand, two hundred fifty-seven".