622457401 has 8 divisors (see below), whose sum is σ = 659903744. Its totient is φ = 586096560.

The previous prime is 622457399. The next prime is 622457419. The reversal of 622457401 is 104754226.

622457401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 622457401 - 2¹ = 622457399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622457201) 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, 270195 + ... + 272488.

It is an arithmetic number, because the mean of its divisors is an integer number (82487968).

Almost surely, 2^622457401 is an apocalyptic number.

It is an amenable number.

622457401 is a deficient number, since it is larger than the sum of its proper divisors (37446343).

622457401 is a wasteful number, since it uses less digits than its factorization.

622457401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542751.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 622457401 is about 24949.0961960549. The cubic root of 622457401 is about 853.8269887205.

The spelling of 622457401 in words is "six hundred twenty-two million, four hundred fifty-seven thousand, four hundred one".