612264220 has 24 divisors (see below), whose sum is σ = 1302033600. Its totient is φ = 241804992.

The previous prime is 612264217. The next prime is 612264221. The reversal of 612264220 is 22462216.

612264220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612264221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192175 + ... + 195334.

It is an arithmetic number, because the mean of its divisors is an integer number (54251400).

Almost surely, 2^612264220 is an apocalyptic number.

It is an amenable number.

612264220 is an abundant number, since it is smaller than the sum of its proper divisors (689769380).

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

612264220 is a wasteful number, since it uses less digits than its factorization.

612264220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387597 (or 387595 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 612264220 is about 24743.9734076805. The cubic root of 612264220 is about 849.1406401205.

The spelling of 612264220 in words is "six hundred twelve million, two hundred sixty-four thousand, two hundred twenty".