881022251 has 4 divisors (see below), whose sum is σ = 881189904. Its totient is φ = 880854600.

The previous prime is 881022239. The next prime is 881022253. The reversal of 881022251 is 152220188.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 881022251 - 2⁶ = 881022187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (881022253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75680 + ... + 86541.

It is an arithmetic number, because the mean of its divisors is an integer number (220297476).

Almost surely, 2^881022251 is an apocalyptic number.

881022251 is a deficient number, since it is larger than the sum of its proper divisors (167653).

881022251 is a wasteful number, since it uses less digits than its factorization.

881022251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167652.

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 881022251 is about 29682.0189845637. The cubic root of 881022251 is about 958.6548909857.

The spelling of 881022251 in words is "eight hundred eighty-one million, twenty-two thousand, two hundred fifty-one".