612616226 has 4 divisors (see below), whose sum is σ = 918924342. Its totient is φ = 306308112.

The previous prime is 612616217. The next prime is 612616231. The reversal of 612616226 is 622616216.

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

It can be written as a sum of positive squares in only one way, i.e., 612612001 + 4225 = 24751^2 + 65^2 .

It is a junction number, because it is equal to n+sod(n) for n = 612616192 and 612616201.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153154055 + ... + 153154058.

Almost surely, 2^612616226 is an apocalyptic number.

612616226 is a deficient number, since it is larger than the sum of its proper divisors (306308116).

612616226 is a wasteful number, since it uses less digits than its factorization.

612616226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306308115.

The product of its digits is 10368, while the sum is 32.

The square root of 612616226 is about 24751.0853499397. The cubic root of 612616226 is about 849.3033396689.

The spelling of 612616226 in words is "six hundred twelve million, six hundred sixteen thousand, two hundred twenty-six".