622170346434622 has 4 divisors (see below), whose sum is σ = 933255519651936. Its totient is φ = 311085173217310.

The previous prime is 622170346434587. The next prime is 622170346434631. The reversal of 622170346434622 is 226434643071226.

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

It is a self number, because there is not a number n which added to its sum of digits gives 622170346434622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155542586608654 + ... + 155542586608657.

It is an arithmetic number, because the mean of its divisors is an integer number (233313879912984).

Almost surely, 2^{622170346434622} is an apocalyptic number.

622170346434622 is a deficient number, since it is larger than the sum of its proper divisors (311085173217314).

622170346434622 is a wasteful number, since it uses less digits than its factorization.

622170346434622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311085173217313.

The product of its (nonzero) digits is 13934592, while the sum is 52.

The spelling of 622170346434622 in words is "six hundred twenty-two trillion, one hundred seventy billion, three hundred forty-six million, four hundred thirty-four thousand, six hundred twenty-two".