622712224 has 12 divisors (see below), whose sum is σ = 1225964754. Its totient is φ = 311356096.

The previous prime is 622712179. The next prime is 622712243. The reversal of 622712224 is 422217226.

It can be written as a sum of positive squares in only one way, i.e., 559795600 + 62916624 = 23660^2 + 7932^2 .

It is a junction number, because it is equal to n+sod(n) for n = 622712192 and 622712201.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9729847 + ... + 9729910.

Almost surely, 2^622712224 is an apocalyptic number.

It is an amenable number.

622712224 is a deficient number, since it is larger than the sum of its proper divisors (603252530).

622712224 is a wasteful number, since it uses less digits than its factorization.

622712224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19459767 (or 19459759 counting only the distinct ones).

The product of its digits is 5376, while the sum is 28.

The square root of 622712224 is about 24954.2025318382. The cubic root of 622712224 is about 853.9434866906.

The spelling of 622712224 in words is "six hundred twenty-two million, seven hundred twelve thousand, two hundred twenty-four".