612228892 has 24 divisors (see below), whose sum is σ = 1197311472. Its totient is φ = 271497600.

The previous prime is 612228839. The next prime is 612228901. The reversal of 612228892 is 298822216.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167883 + ... + 171490.

It is an arithmetic number, because the mean of its divisors is an integer number (49887978).

Almost surely, 2^612228892 is an apocalyptic number.

It is an amenable number.

612228892 is a deficient number, since it is larger than the sum of its proper divisors (585082580).

612228892 is a wasteful number, since it uses less digits than its factorization.

612228892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339429 (or 339427 counting only the distinct ones).

The product of its digits is 55296, while the sum is 40.

The square root of 612228892 is about 24743.2595265862. The cubic root of 612228892 is about 849.1243078375.

The spelling of 612228892 in words is "six hundred twelve million, two hundred twenty-eight thousand, eight hundred ninety-two".