1880022690 has 384 divisors, whose sum is σ = 6660299520. Its totient is φ = 372750336.

The previous prime is 1880022667. The next prime is 1880022709. The reversal of 1880022690 is 962200881.

1880022690 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1880022690² = 7068970629829672200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2923509 + ... + 2924151.

It is an arithmetic number, because the mean of its divisors is an integer number (17344530).

Almost surely, 2^1880022690 is an apocalyptic number.

1880022690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1880022690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3330149760).

1880022690 is an abundant number, since it is smaller than the sum of its proper divisors (4780276830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1880022690 is a wasteful number, since it uses less digits than its factorization.

1880022690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703 (or 690 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 1880022690 is about 43359.2284294820. The cubic root of 1880022690 is about 1234.2061237879.

The spelling of 1880022690 in words is "one billion, eight hundred eighty million, twenty-two thousand, six hundred ninety".