622677401 has 4 divisors (see below), whose sum is σ = 622853172. Its totient is φ = 622501632.

The previous prime is 622677397. The next prime is 622677427. The reversal of 622677401 is 104776226.

622677401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 121992025 + 500685376 = 11045^2 + 22376^2 .

It is a cyclic number.

It is not a de Polignac number, because 622677401 - 2² = 622677397 is a prime.

It is a super-2 number, since 2×622677401² = 775454291432229602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622677491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82460 + ... + 89693.

It is an arithmetic number, because the mean of its divisors is an integer number (155713293).

Almost surely, 2^622677401 is an apocalyptic number.

It is an amenable number.

622677401 is a deficient number, since it is larger than the sum of its proper divisors (175771).

622677401 is a wasteful number, since it uses less digits than its factorization.

622677401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175770.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 622677401 is about 24953.5047838976. The cubic root of 622677401 is about 853.9275684611.

The spelling of 622677401 in words is "six hundred twenty-two million, six hundred seventy-seven thousand, four hundred one".