622455641 has 8 divisors (see below), whose sum is σ = 629309184. Its totient is φ = 615625920.

The previous prime is 622455619. The next prime is 622455643. The reversal of 622455641 is 146554226.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 622455641 - 2¹⁸ = 622193497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622455643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49376 + ... + 60686.

It is an arithmetic number, because the mean of its divisors is an integer number (78663648).

Almost surely, 2^622455641 is an apocalyptic number.

It is an amenable number.

622455641 is a deficient number, since it is larger than the sum of its proper divisors (6853543).

622455641 is a wasteful number, since it uses less digits than its factorization.

622455641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11911.

The product of its digits is 57600, while the sum is 35.

The square root of 622455641 is about 24949.0609242112. The cubic root of 622455641 is about 853.8261839870.

The spelling of 622455641 in words is "six hundred twenty-two million, four hundred fifty-five thousand, six hundred forty-one".