612228895 has 4 divisors (see below), whose sum is σ = 734674680. Its totient is φ = 489783112.

The previous prime is 612228839. The next prime is 612228901. The reversal of 612228895 is 598822216.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 612228895 - 2⁷ = 612228767 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61222885 + ... + 61222894.

It is an arithmetic number, because the mean of its divisors is an integer number (183668670).

Almost surely, 2^612228895 is an apocalyptic number.

612228895 is a deficient number, since it is larger than the sum of its proper divisors (122445785).

612228895 is a wasteful number, since it uses less digits than its factorization.

612228895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122445784.

The product of its digits is 138240, while the sum is 43.

The square root of 612228895 is about 24743.2595872088. The cubic root of 612228895 is about 849.1243092244.

The spelling of 612228895 in words is "six hundred twelve million, two hundred twenty-eight thousand, eight hundred ninety-five".