622022440064 has 16 divisors (see below), whose sum is σ = 1239185330070. Its totient is φ = 311011219968.

The previous prime is 622022440051. The next prime is 622022440069. The reversal of 622022440064 is 460044220226.

It can be written as a sum of positive squares in only one way, i.e., 609836046400 + 12186393664 = 780920^2 + 110392^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 622022440064.

It is not an unprimeable number, because it can be changed into a prime (622022440069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2429775029 + ... + 2429775284.

Almost surely, 2^622022440064 is an apocalyptic number.

622022440064 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

622022440064 is a deficient number, since it is larger than the sum of its proper divisors (617162890006).

622022440064 is an equidigital number, since it uses as much as digits as its factorization.

622022440064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4859550327 (or 4859550315 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

The spelling of 622022440064 in words is "six hundred twenty-two billion, twenty-two million, four hundred forty thousand, sixty-four".