2215022881 has 16 divisors (see below), whose sum is σ = 2331235840. Its totient is φ = 2101904640.

The previous prime is 2215022863. The next prime is 2215022891. The reversal of 2215022881 is 1882205122.

It is a cyclic number.

It is not a de Polignac number, because 2215022881 - 2⁷ = 2215022753 is a prime.

It is a super-2 number, since 2×2215022881² = 9812652726707080322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2215022851) 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, 473305 + ... + 477961.

It is an arithmetic number, because the mean of its divisors is an integer number (145702240).

Almost surely, 2^2215022881 is an apocalyptic number.

It is an amenable number.

2215022881 is a deficient number, since it is larger than the sum of its proper divisors (116212959).

2215022881 is a wasteful number, since it uses less digits than its factorization.

2215022881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4984.

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 2215022881 is about 47064.0295873611. The cubic root of 2215022881 is about 1303.5451324232.

The spelling of 2215022881 in words is "two billion, two hundred fifteen million, twenty-two thousand, eight hundred eighty-one".