2142022855 has 64 divisors (see below), whose sum is σ = 3189795840. Its totient is φ = 1348171776.

The previous prime is 2142022849. The next prime is 2142022879. The reversal of 2142022855 is 5582202412.

It is not a de Polignac number, because 2142022855 - 2¹¹ = 2142020807 is a prime.

It is a super-2 number, since 2×2142022855² = 9176523822684702050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4946719 + ... + 4947151.

It is an arithmetic number, because the mean of its divisors is an integer number (49840560).

Almost surely, 2^2142022855 is an apocalyptic number.

2142022855 is a deficient number, since it is larger than the sum of its proper divisors (1047772985).

2142022855 is a wasteful number, since it uses less digits than its factorization.

2142022855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680.

The product of its (nonzero) digits is 12800, while the sum is 31.

The square root of 2142022855 is about 46281.9927725676. The cubic root of 2142022855 is about 1289.0646535785.

The spelling of 2142022855 in words is "two billion, one hundred forty-two million, twenty-two thousand, eight hundred fifty-five".