227400646 has 32 divisors (see below), whose sum is σ = 379779840. Its totient is φ = 101253600.

The previous prime is 227400601. The next prime is 227400647. The reversal of 227400646 is 646004722.

It is a super-2 number, since 2×227400646² = 103422107602434632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227400647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307345 + ... + 308083.

It is an arithmetic number, because the mean of its divisors is an integer number (11868120).

Almost surely, 2^227400646 is an apocalyptic number.

227400646 is a deficient number, since it is larger than the sum of its proper divisors (152379194).

227400646 is a wasteful number, since it uses less digits than its factorization.

227400646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 227400646 is about 15079.8092162998. The cubic root of 227400646 is about 610.3756943916.

The spelling of 227400646 in words is "two hundred twenty-seven million, four hundred thousand, six hundred forty-six".