225121414 has 16 divisors (see below), whose sum is σ = 388742688. Its totient is φ = 95775552.

The previous prime is 225121409. The next prime is 225121423. The reversal of 225121414 is 414121522.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56769 + ... + 60604.

It is an arithmetic number, because the mean of its divisors is an integer number (24296418).

Almost surely, 2^225121414 is an apocalyptic number.

225121414 is a deficient number, since it is larger than the sum of its proper divisors (163621274).

225121414 is a wasteful number, since it uses less digits than its factorization.

225121414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117519.

The product of its digits is 640, while the sum is 22.

The square root of 225121414 is about 15004.0465875043. The cubic root of 225121414 is about 608.3295820290.

Adding to 225121414 its reverse (414121522), we get a palindrome (639242936).

It can be divided in two parts, 2251214 and 14, that multiplied together give a square (31516996 = 5614²).

The spelling of 225121414 in words is "two hundred twenty-five million, one hundred twenty-one thousand, four hundred fourteen".