622193251140952 has 8 divisors (see below), whose sum is σ = 1166612345889300. Its totient is φ = 311096625570472.

The previous prime is 622193251140931. The next prime is 622193251140959. The reversal of 622193251140952 is 259041152391226.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 622193251140952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622193251140959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38887078196302 + ... + 38887078196317.

Almost surely, 2^{622193251140952} is an apocalyptic number.

It is an amenable number.

622193251140952 is a deficient number, since it is larger than the sum of its proper divisors (544419094748348).

622193251140952 is a wasteful number, since it uses less digits than its factorization.

622193251140952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77774156392625 (or 77774156392621 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 52.

The spelling of 622193251140952 in words is "six hundred twenty-two trillion, one hundred ninety-three billion, two hundred fifty-one million, one hundred forty thousand, nine hundred fifty-two".