402322248 has 64 divisors (see below), whose sum is σ = 1131076800. Its totient is φ = 132485760.

The previous prime is 402322237. The next prime is 402322259. The reversal of 402322248 is 842223204.

402322248 is a `hidden beast` number, since 402 + 32 + 224 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (402322237) and next prime (402322259).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6708 + ... + 29148.

It is an arithmetic number, because the mean of its divisors is an integer number (17673075).

Almost surely, 2^402322248 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 402322248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (565538400).

402322248 is an abundant number, since it is smaller than the sum of its proper divisors (728754552).

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

402322248 is a wasteful number, since it uses less digits than its factorization.

402322248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22539 (or 22529 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 402322248 is about 20057.9721806567. The cubic root of 402322248 is about 738.2294216990.

The spelling of 402322248 in words is "four hundred two million, three hundred twenty-two thousand, two hundred forty-eight".