227400156 has 24 divisors (see below), whose sum is σ = 589556240. Its totient is φ = 75800016.

The previous prime is 227400139. The next prime is 227400161. The reversal of 227400156 is 651004722.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1052671 + ... + 1052886.

Almost surely, 2^227400156 is an apocalyptic number.

It is an amenable number.

227400156 is an abundant number, since it is smaller than the sum of its proper divisors (362156084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

227400156 is a wasteful number, since it uses less digits than its factorization.

227400156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105570 (or 2105562 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 227400156 is about 15079.7929694011. The cubic root of 227400156 is about 610.3752559813.

Adding to 227400156 its reverse (651004722), we get a palindrome (878404878).

The spelling of 227400156 in words is "two hundred twenty-seven million, four hundred thousand, one hundred fifty-six".