612225522216 has 192 divisors, whose sum is σ = 2138540227200. Its totient is φ = 153536140800.

The previous prime is 612225522203. The next prime is 612225522229.

612225522216 is a `hidden beast` number, since 6 + 122 + 2 + 5 + 522 + 2 + 1 + 6 = 666.

612225522216 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (612225522203) and next prime (612225522229).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1743195 + ... + 2064746.

It is an arithmetic number, because the mean of its divisors is an integer number (11138230350).

Almost surely, 2^612225522216 is an apocalyptic number.

612225522216 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

612225522216 is an abundant number, since it is smaller than the sum of its proper divisors (1526314704984).

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

612225522216 is a wasteful number, since it uses less digits than its factorization.

612225522216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3808000 (or 3807993 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The spelling of 612225522216 in words is "six hundred twelve billion, two hundred twenty-five million, five hundred twenty-two thousand, two hundred sixteen".