402223881 has 16 divisors (see below), whose sum is σ = 555422400. Its totient is φ = 258608448.

The previous prime is 402223777. The next prime is 402223889. The reversal of 402223881 is 188322204.

It is not a de Polignac number, because 402223881 - 2⁷ = 402223753 is a prime.

It is a super-2 number, since 2×402223881² = 323568100893404322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (402223889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95110 + ... + 99248.

It is an arithmetic number, because the mean of its divisors is an integer number (34713900).

Almost surely, 2^402223881 is an apocalyptic number.

It is an amenable number.

402223881 is a deficient number, since it is larger than the sum of its proper divisors (153198519).

402223881 is a wasteful number, since it uses less digits than its factorization.

402223881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5288.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 402223881 is about 20055.5199633418. The cubic root of 402223881 is about 738.1692515800.

The spelling of 402223881 in words is "four hundred two million, two hundred twenty-three thousand, eight hundred eighty-one".