622901284 has 12 divisors (see below), whose sum is σ = 1154199564. Its totient is φ = 293129984.

The previous prime is 622901269. The next prime is 622901303. The reversal of 622901284 is 482109226.

It can be written as a sum of positive squares in 2 ways, for example, as 525326400 + 97574884 = 22920^2 + 9878^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4580089 + ... + 4580224.

It is an arithmetic number, because the mean of its divisors is an integer number (96183297).

Almost surely, 2^622901284 is an apocalyptic number.

It is an amenable number.

622901284 is a deficient number, since it is larger than the sum of its proper divisors (531298280).

622901284 is a wasteful number, since it uses less digits than its factorization.

622901284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9160334 (or 9160332 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 622901284 is about 24957.9903838430. The cubic root of 622901284 is about 854.0298991154.

The spelling of 622901284 in words is "six hundred twenty-two million, nine hundred one thousand, two hundred eighty-four".