612632228 has 12 divisors (see below), whose sum is σ = 1154576220. Its totient is φ = 282753312.

The previous prime is 612632227. The next prime is 612632249. The reversal of 612632228 is 822236216.

It can be written as a sum of positive squares in 2 ways, for example, as 198021184 + 414611044 = 14072^2 + 20362^2 .

It is a junction number, because it is equal to n+sod(n) for n = 612632194 and 612632203.

It is not an unprimeable number, because it can be changed into a prime (612632227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5890643 + ... + 5890746.

It is an arithmetic number, because the mean of its divisors is an integer number (96214685).

Almost surely, 2^612632228 is an apocalyptic number.

It is an amenable number.

612632228 is a deficient number, since it is larger than the sum of its proper divisors (541943992).

612632228 is a wasteful number, since it uses less digits than its factorization.

612632228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11781406 (or 11781404 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 612632228 is about 24751.4086063804. The cubic root of 612632228 is about 849.3107344201.

The spelling of 612632228 in words is "six hundred twelve million, six hundred thirty-two thousand, two hundred twenty-eight".