303922872 has 96 divisors (see below), whose sum is σ = 950816880. Its totient is φ = 86676480.

The previous prime is 303922867. The next prime is 303922877. The reversal of 303922872 is 278229303.

It is an interprime number because it is at equal distance from previous prime (303922867) and next prime (303922877).

It is a super-2 number, since 2×303922872² = 184738224249456768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303922877) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2178 + ... + 24750.

Almost surely, 2^303922872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 303922872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (475408440).

303922872 is an abundant number, since it is smaller than the sum of its proper divisors (646894008).

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

303922872 is a wasteful number, since it uses less digits than its factorization.

303922872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22613 (or 22606 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 303922872 is about 17433.3838367656. The cubic root of 303922872 is about 672.3382119801.

The spelling of 303922872 in words is "three hundred three million, nine hundred twenty-two thousand, eight hundred seventy-two".