402626622 has 8 divisors (see below), whose sum is σ = 805253256. Its totient is φ = 134208872.

The previous prime is 402626621. The next prime is 402626639. The reversal of 402626622 is 226626204.

It is a sphenic number, since it is the product of 3 distinct primes.

402626622 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 402626622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402626621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33552213 + ... + 33552224.

It is an arithmetic number, because the mean of its divisors is an integer number (100656657).

Almost surely, 2^402626622 is an apocalyptic number.

402626622 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

402626622 is a wasteful number, since it uses less digits than its factorization.

402626622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67104442.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 402626622 is about 20065.5581033770. The cubic root of 402626622 is about 738.4155421555.

The spelling of 402626622 in words is "four hundred two million, six hundred twenty-six thousand, six hundred twenty-two".