622742353 has 8 divisors (see below), whose sum is σ = 643124736. Its totient is φ = 602378400.

The previous prime is 622742327. The next prime is 622742363. The reversal of 622742353 is 353247226.

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 622742353 - 2²⁹ = 85871441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622742303) 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, 108588 + ... + 114178.

It is an arithmetic number, because the mean of its divisors is an integer number (80390592).

Almost surely, 2^622742353 is an apocalyptic number.

It is an amenable number.

622742353 is a deficient number, since it is larger than the sum of its proper divisors (20382383).

622742353 is a wasteful number, since it uses less digits than its factorization.

622742353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9215.

The product of its digits is 60480, while the sum is 34.

The square root of 622742353 is about 24954.8062104277. The cubic root of 622742353 is about 853.9572587282.

Adding to 622742353 its reverse (353247226), we get a palindrome (975989579).

The spelling of 622742353 in words is "six hundred twenty-two million, seven hundred forty-two thousand, three hundred fifty-three".