3622254661 has 2 divisors, whose sum is σ = 3622254662. Its totient is φ = 3622254660.

The previous prime is 3622254637. The next prime is 3622254679. The reversal of 3622254661 is 1664522263.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3603600900 + 18653761 = 60030^2 + 4319^2 .

It is a cyclic number.

It is not a de Polignac number, because 3622254661 - 2⁷ = 3622254533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3622254661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3622254611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1811127330 + 1811127331.

It is an arithmetic number, because the mean of its divisors is an integer number (1811127331).

Almost surely, 2^3622254661 is an apocalyptic number.

It is an amenable number.

3622254661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3622254661 is an equidigital number, since it uses as much as digits as its factorization.

3622254661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 37.

The square root of 3622254661 is about 60185.1697762829. The cubic root of 3622254661 is about 1535.7705194471.

The spelling of 3622254661 in words is "three billion, six hundred twenty-two million, two hundred fifty-four thousand, six hundred sixty-one".