351922428 has 96 divisors (see below), whose sum is σ = 1071947520. Its totient is φ = 98435520.

The previous prime is 351922399. The next prime is 351922507. The reversal of 351922428 is 824229153.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 351922392 and 351922401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4051 + ... + 26837.

It is an arithmetic number, because the mean of its divisors is an integer number (11166120).

Almost surely, 2^351922428 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 351922428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (535973760).

351922428 is an abundant number, since it is smaller than the sum of its proper divisors (720025092).

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

351922428 is a wasteful number, since it uses less digits than its factorization.

351922428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22824 (or 22816 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 351922428 is about 18759.5956246397. The cubic root of 351922428 is about 706.0177965537.

The spelling of 351922428 in words is "three hundred fifty-one million, nine hundred twenty-two thousand, four hundred twenty-eight".