881919022 has 4 divisors (see below), whose sum is σ = 1322878536. Its totient is φ = 440959510.

The previous prime is 881919011. The next prime is 881919113. The reversal of 881919022 is 220919188.

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

It is a super-2 number, since 2×881919022² = 1555562322730872968, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220479754 + ... + 220479757.

It is an arithmetic number, because the mean of its divisors is an integer number (330719634).

Almost surely, 2^881919022 is an apocalyptic number.

881919022 is a deficient number, since it is larger than the sum of its proper divisors (440959514).

881919022 is a wasteful number, since it uses less digits than its factorization.

881919022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440959513.

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 881919022 is about 29697.1214429951. The cubic root of 881919022 is about 958.9800444771.

The spelling of 881919022 in words is "eight hundred eighty-one million, nine hundred nineteen thousand, twenty-two".