622165274398 has 4 divisors (see below), whose sum is σ = 933247911600. Its totient is φ = 311082637198.

The previous prime is 622165274387. The next prime is 622165274399. The reversal of 622165274398 is 893472561226.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622165274399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155541318598 + ... + 155541318601.

It is an arithmetic number, because the mean of its divisors is an integer number (233311977900).

Almost surely, 2^622165274398 is an apocalyptic number.

622165274398 is a deficient number, since it is larger than the sum of its proper divisors (311082637202).

622165274398 is a wasteful number, since it uses less digits than its factorization.

622165274398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311082637201.

The product of its digits is 8709120, while the sum is 55.

The spelling of 622165274398 in words is "six hundred twenty-two billion, one hundred sixty-five million, two hundred seventy-four thousand, three hundred ninety-eight".