225406154 has 16 divisors (see below), whose sum is σ = 350935200. Its totient is φ = 108453744.

The previous prime is 225406123. The next prime is 225406189. The reversal of 225406154 is 451604522.

It is a super-2 number, since 2×225406154² = 101615868522143432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

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, 11477 + ... + 24135.

It is an arithmetic number, because the mean of its divisors is an integer number (21933450).

Almost surely, 2^225406154 is an apocalyptic number.

225406154 is a deficient number, since it is larger than the sum of its proper divisors (125529046).

225406154 is a wasteful number, since it uses less digits than its factorization.

225406154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12997.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 225406154 is about 15013.5323625055. The cubic root of 225406154 is about 608.5859515201.

The spelling of 225406154 in words is "two hundred twenty-five million, four hundred six thousand, one hundred fifty-four".