402223900 has 36 divisors (see below), whose sum is σ = 939969352. Its totient is φ = 148512960.

The previous prime is 402223897. The next prime is 402223903. The reversal of 402223900 is 9322204.

It is an interprime number because it is at equal distance from previous prime (402223897) and next prime (402223903).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402223903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 153402 + ... + 156001.

Almost surely, 2^402223900 is an apocalyptic number.

It is an amenable number.

402223900 is an abundant number, since it is smaller than the sum of its proper divisors (537745452).

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

402223900 is a wasteful number, since it uses less digits than its factorization.

402223900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309430 (or 309423 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 402223900 is about 20055.5204370268. The cubic root of 402223900 is about 738.1692632031.

The spelling of 402223900 in words is "four hundred two million, two hundred twenty-three thousand, nine hundred".