227921142 has 32 divisors (see below), whose sum is σ = 492936192. Its totient is φ = 69981824.

The previous prime is 227921137. The next prime is 227921143. The reversal of 227921142 is 241129722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227921143) 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, 18978 + ... + 28565.

It is an arithmetic number, because the mean of its divisors is an integer number (15404256).

Almost surely, 2^227921142 is an apocalyptic number.

227921142 is an abundant number, since it is smaller than the sum of its proper divisors (265015050).

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

227921142 is a wasteful number, since it uses less digits than its factorization.

227921142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47612.

The product of its digits is 4032, while the sum is 30.

The square root of 227921142 is about 15097.0573953999. The cubic root of 227921142 is about 610.8410346450.

The spelling of 227921142 in words is "two hundred twenty-seven million, nine hundred twenty-one thousand, one hundred forty-two".