224825139 has 120 divisors (see below), whose sum is σ = 440304480. Its totient is φ = 111767040.

The previous prime is 224825131. The next prime is 224825141. The reversal of 224825139 is 931528422.

It is a happy number.

It is not a de Polignac number, because 224825139 - 2³ = 224825131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (224825131) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1989547 + ... + 1989659.

It is an arithmetic number, because the mean of its divisors is an integer number (3669204).

Almost surely, 2^224825139 is an apocalyptic number.

224825139 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

224825139 is a deficient number, since it is larger than the sum of its proper divisors (215479341).

224825139 is a wasteful number, since it uses less digits than its factorization.

224825139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 163 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 224825139 is about 14994.1701671016. The cubic root of 224825139 is about 608.0625972528.

The spelling of 224825139 in words is "two hundred twenty-four million, eight hundred twenty-five thousand, one hundred thirty-nine".