2399220232957 has 8 divisors (see below), whose sum is σ = 2561065335360. Its totient is φ = 2240932165920.

The previous prime is 2399220232837. The next prime is 2399220232991. The reversal of 2399220232957 is 7592320229932.

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 2399220232957 - 2³⁵ = 2364860494589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2399220232898 and 2399220232907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2399220232757) 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, 889257448 + ... + 889260145.

It is an arithmetic number, because the mean of its divisors is an integer number (320133166920).

Almost surely, 2^{2399220232957} is an apocalyptic number.

It is an amenable number.

2399220232957 is a deficient number, since it is larger than the sum of its proper divisors (161845102403).

2399220232957 is a wasteful number, since it uses less digits than its factorization.

2399220232957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778517683.

The product of its (nonzero) digits is 7348320, while the sum is 55.

The spelling of 2399220232957 in words is "two trillion, three hundred ninety-nine billion, two hundred twenty million, two hundred thirty-two thousand, nine hundred fifty-seven".