3630622257 has 20 divisors (see below), whose sum is σ = 5598478336. Its totient is φ = 2342335320.

The previous prime is 3630622231. The next prime is 3630622273. The reversal of 3630622257 is 7522260363.

It is a happy number.

3630622257 is a `hidden beast` number, since 3 + 6 + 3 + 0 + 622 + 25 + 7 = 666.

3630622257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3630622257 - 2⁷ = 3630622129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3630621257) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 720433 + ... + 725454.

Almost surely, 2^3630622257 is an apocalyptic number.

It is an amenable number.

3630622257 is a deficient number, since it is larger than the sum of its proper divisors (1967856079).

3630622257 is a wasteful number, since it uses less digits than its factorization.

3630622257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445930 (or 1445921 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 36.

The square root of 3630622257 is about 60254.6451072446. The cubic root of 3630622257 is about 1536.9521798466.

The spelling of 3630622257 in words is "three billion, six hundred thirty million, six hundred twenty-two thousand, two hundred fifty-seven".