1000822990 has 16 divisors (see below), whose sum is σ = 1850170752. Its totient is φ = 389509344.

The previous prime is 1000822969. The next prime is 1000823023. The reversal of 1000822990 is 992280001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1352094 + ... + 1352833.

It is an arithmetic number, because the mean of its divisors is an integer number (115635672).

Almost surely, 2^1000822990 is an apocalyptic number.

1000822990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000822990 is a deficient number, since it is larger than the sum of its proper divisors (849347762).

1000822990 is a wasteful number, since it uses less digits than its factorization.

1000822990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2704971.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 1000822990 is about 31635.7865399297. The cubic root of 1000822990 is about 1000.2742547774.

The spelling of 1000822990 in words is "one billion, eight hundred twenty-two thousand, nine hundred ninety".