634222193701 has 4 divisors (see below), whose sum is σ = 661797071712. Its totient is φ = 606647315692.

The previous prime is 634222193677. The next prime is 634222193711. The reversal of 634222193701 is 107391222436.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 634222193701 - 2¹⁷ = 634222062629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634222193711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13787438971 + ... + 13787439016.

It is an arithmetic number, because the mean of its divisors is an integer number (165449267928).

Almost surely, 2^634222193701 is an apocalyptic number.

It is an amenable number.

634222193701 is a deficient number, since it is larger than the sum of its proper divisors (27574878011).

634222193701 is a wasteful number, since it uses less digits than its factorization.

634222193701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27574878010.

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 634222193701 in words is "six hundred thirty-four billion, two hundred twenty-two million, one hundred ninety-three thousand, seven hundred one".