622453042 has 32 divisors (see below), whose sum is σ = 988530480. Its totient is φ = 293529600.

The previous prime is 622453031. The next prime is 622453057. The reversal of 622453042 is 240354226.

It can be written as a sum of positive squares in 8 ways, for example, as 10830681 + 611622361 = 3291^2 + 24731^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 622453042.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 477792 + ... + 479092.

Almost surely, 2^622453042 is an apocalyptic number.

622453042 is a deficient number, since it is larger than the sum of its proper divisors (366077438).

622453042 is a wasteful number, since it uses less digits than its factorization.

622453042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 622453042 is about 24949.0088380280. The cubic root of 622453042 is about 853.8249956307.

The spelling of 622453042 in words is "six hundred twenty-two million, four hundred fifty-three thousand, forty-two".