612100422 has 16 divisors (see below), whose sum is σ = 1360223280. Its totient is φ = 204033456.

The previous prime is 612100393. The next prime is 612100427. The reversal of 612100422 is 224001216.

612100422 is a `hidden beast` number, since 612 + 10 + 0 + 42 + 2 = 666.

It is a super-2 number, since 2×612100422² = 749333853225156168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 612100395 and 612100404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612100427) 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, 5667543 + ... + 5667650.

It is an arithmetic number, because the mean of its divisors is an integer number (85013955).

Almost surely, 2^612100422 is an apocalyptic number.

612100422 is an abundant number, since it is smaller than the sum of its proper divisors (748122858).

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

612100422 is a wasteful number, since it uses less digits than its factorization.

612100422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11335204 (or 11335198 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 612100422 is about 24740.6633298301. The cubic root of 612100422 is about 849.0649103189.

Adding to 612100422 its reverse (224001216), we get a palindrome (836101638).

The spelling of 612100422 in words is "six hundred twelve million, one hundred thousand, four hundred twenty-two".