612224630 has 32 divisors (see below), whose sum is σ = 1118197440. Its totient is φ = 241315200.

The previous prime is 612224581. The next prime is 612224663. The reversal of 612224630 is 36422216.

It is a self number, because there is not a number n which added to its sum of digits gives 612224630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229967 + ... + 232613.

It is an arithmetic number, because the mean of its divisors is an integer number (34943670).

Almost surely, 2^612224630 is an apocalyptic number.

612224630 is a deficient number, since it is larger than the sum of its proper divisors (505972810).

612224630 is a wasteful number, since it uses less digits than its factorization.

612224630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2984.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 612224630 is about 24743.1734019709. The cubic root of 612224630 is about 849.1223374545.

Adding to 612224630 its reverse (36422216), we get a palindrome (648646846).

The spelling of 612224630 in words is "six hundred twelve million, two hundred twenty-four thousand, six hundred thirty".