227138901 has 24 divisors (see below), whose sum is σ = 350417760. Its totient is φ = 130410720.

The previous prime is 227138839. The next prime is 227138903. The reversal of 227138901 is 109831722.

It is not a de Polignac number, because 227138901 - 2⁶ = 227138837 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227138903) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9570 + ... + 23363.

It is an arithmetic number, because the mean of its divisors is an integer number (14600740).

Almost surely, 2^227138901 is an apocalyptic number.

It is an amenable number.

227138901 is a deficient number, since it is larger than the sum of its proper divisors (123278859).

227138901 is a wasteful number, since it uses less digits than its factorization.

227138901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32977 (or 32966 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 227138901 is about 15071.1280599695. The cubic root of 227138901 is about 610.1414175393.

It can be divided in two parts, 227 and 138901, that added together give a triangular number (139128 = T₅₂₇).

The spelling of 227138901 in words is "two hundred twenty-seven million, one hundred thirty-eight thousand, nine hundred one".