981892822 has 16 divisors (see below), whose sum is σ = 1538675712. Its totient is φ = 469382760.

The previous prime is 981892789. The next prime is 981892823. The reversal of 981892822 is 228298189.

It is a happy number.

It is a super-2 number, since 2×981892822² = 1928227027790247368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981892823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90258 + ... + 100549.

It is an arithmetic number, because the mean of its divisors is an integer number (96167232).

Almost surely, 2^981892822 is an apocalyptic number.

981892822 is a deficient number, since it is larger than the sum of its proper divisors (556782890).

981892822 is a wasteful number, since it uses less digits than its factorization.

981892822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190923.

The product of its digits is 331776, while the sum is 49.

The square root of 981892822 is about 31335.1690916133. The cubic root of 981892822 is about 993.9274730592.

The spelling of 981892822 in words is "nine hundred eighty-one million, eight hundred ninety-two thousand, eight hundred twenty-two".