2157322335 has 32 divisors (see below), whose sum is σ = 4019258880. Its totient is φ = 967594368.

The previous prime is 2157322313. The next prime is 2157322361. The reversal of 2157322335 is 5332237512.

It is a happy number.

It is not a de Polignac number, because 2157322335 - 2⁵ = 2157322303 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2157322296 and 2157322305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188265 + ... + 199394.

It is an arithmetic number, because the mean of its divisors is an integer number (125601840).

Almost surely, 2^2157322335 is an apocalyptic number.

2157322335 is a deficient number, since it is larger than the sum of its proper divisors (1861936545).

2157322335 is a wasteful number, since it uses less digits than its factorization.

2157322335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387727.

The product of its digits is 37800, while the sum is 33.

The square root of 2157322335 is about 46446.9841324493. The cubic root of 2157322335 is about 1292.1264399624.

Adding to 2157322335 its reverse (5332237512), we get a palindrome (7489559847).

The spelling of 2157322335 in words is "two billion, one hundred fifty-seven million, three hundred twenty-two thousand, three hundred thirty-five".