1801222876 has 24 divisors (see below), whose sum is σ = 3352262480. Its totient is φ = 844411392.

The previous prime is 1801222867. The next prime is 1801222901. The reversal of 1801222876 is 6782221081.

It is a super-2 number, since 2×1801222876² = 6488807698051422752, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114795 + ... + 129538.

Almost surely, 2^1801222876 is an apocalyptic number.

It is an amenable number.

1801222876 is a deficient number, since it is larger than the sum of its proper divisors (1551039604).

1801222876 is a wasteful number, since it uses less digits than its factorization.

1801222876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244453 (or 244451 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 1801222876 is about 42440.8161561486. The cubic root of 1801222876 is about 1216.7158100456.

The spelling of 1801222876 in words is "one billion, eight hundred one million, two hundred twenty-two thousand, eight hundred seventy-six".