225150399 has 12 divisors (see below), whose sum is σ = 342334200. Its totient is φ = 142200144.

The previous prime is 225150371. The next prime is 225150421. The reversal of 225150399 is 993051522.

It is a happy number.

It is not a de Polignac number, because 225150399 - 2⁷ = 225150271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225150319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 658164 + ... + 658505.

It is an arithmetic number, because the mean of its divisors is an integer number (28527850).

Almost surely, 2^225150399 is an apocalyptic number.

225150399 is a deficient number, since it is larger than the sum of its proper divisors (117183801).

225150399 is a wasteful number, since it uses less digits than its factorization.

225150399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316694 (or 1316691 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 225150399 is about 15005.0124625073. The cubic root of 225150399 is about 608.3556889430.

It can be divided in two parts, 2251 and 50399, that added together give a triangular number (52650 = T₃₂₄).

The spelling of 225150399 in words is "two hundred twenty-five million, one hundred fifty thousand, three hundred ninety-nine".