622253445 has 32 divisors (see below), whose sum is σ = 1109237760. Its totient is φ = 295275840.

The previous prime is 622253441. The next prime is 622253449. The reversal of 622253445 is 544352226.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (622253441) and next prime (622253449).

It is not a de Polignac number, because 622253445 - 2² = 622253441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622253441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32365 + ... + 47874.

It is an arithmetic number, because the mean of its divisors is an integer number (34663680).

Almost surely, 2^622253445 is an apocalyptic number.

It is an amenable number.

622253445 is a deficient number, since it is larger than the sum of its proper divisors (486984315).

622253445 is a wasteful number, since it uses less digits than its factorization.

622253445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80305.

The product of its digits is 57600, while the sum is 33.

The square root of 622253445 is about 24945.0084185193. The cubic root of 622253445 is about 853.7337228143.

The spelling of 622253445 in words is "six hundred twenty-two million, two hundred fifty-three thousand, four hundred forty-five".