622951220000 has 90 divisors (see below), whose sum is σ = 1532828095029. Its totient is φ = 249135840000.

The previous prime is 622951219949. The next prime is 622951220027. The reversal of 622951220000 is 22159226.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 8 ways, for example, as 129579840784 + 493371379216 = 359972^2 + 702404^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=558100.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 111617210 + ... + 111622790.

Almost surely, 2^622951220000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 622951220000

622951220000 is an abundant number, since it is smaller than the sum of its proper divisors (909876875029).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

622951220000 is an frugal number, since it uses more digits than its factorization.

622951220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11192 (or 5588 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 622951220000 its reverse (22159226), we get a palindrome (622973379226).

The spelling of 622951220000 in words is "six hundred twenty-two billion, nine hundred fifty-one million, two hundred twenty thousand".