2160222452251 has 16 divisors (see below), whose sum is σ = 2244076516864. Its totient is φ = 2078452436544.

The previous prime is 2160222452243. The next prime is 2160222452273. The reversal of 2160222452251 is 1522542220612.

It is a cyclic number.

It is not a de Polignac number, because 2160222452251 - 2³ = 2160222452243 is a prime.

It is a super-2 number, since 2×2160222452251² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2160222452231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1640271 + ... + 2647816.

It is an arithmetic number, because the mean of its divisors is an integer number (140254782304).

Almost surely, 2^{2160222452251} is an apocalyptic number.

2160222452251 is a deficient number, since it is larger than the sum of its proper divisors (83854064613).

2160222452251 is a wasteful number, since it uses less digits than its factorization.

2160222452251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4288330.

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 2160222452251 its reverse (1522542220612), we get a palindrome (3682764672863).

The spelling of 2160222452251 in words is "two trillion, one hundred sixty billion, two hundred twenty-two million, four hundred fifty-two thousand, two hundred fifty-one".