402822628 has 24 divisors (see below), whose sum is σ = 759874752. Its totient is φ = 185744544.

The previous prime is 402822619. The next prime is 402822653. The reversal of 402822628 is 826228204.

It is a super-3 number, since 3×402822628³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 402822593 and 402822602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65001 + ... + 70927.

It is an arithmetic number, because the mean of its divisors is an integer number (31661448).

Almost surely, 2^402822628 is an apocalyptic number.

It is an amenable number.

402822628 is a deficient number, since it is larger than the sum of its proper divisors (357052124).

402822628 is a wasteful number, since it uses less digits than its factorization.

402822628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7251 (or 7249 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 402822628 is about 20070.4416493509. The cubic root of 402822628 is about 738.5353474447.

The spelling of 402822628 in words is "four hundred two million, eight hundred twenty-two thousand, six hundred twenty-eight".