225420022 has 16 divisors (see below), whose sum is σ = 343022400. Its totient is φ = 111084480.

The previous prime is 225419989. The next prime is 225420029. The reversal of 225420022 is 220024522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225420029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130122 + ... + 131842.

It is an arithmetic number, because the mean of its divisors is an integer number (21438900).

Almost surely, 2^225420022 is an apocalyptic number.

225420022 is a deficient number, since it is larger than the sum of its proper divisors (117602378).

225420022 is a wasteful number, since it uses less digits than its factorization.

225420022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2631.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 225420022 is about 15013.9942054072. The cubic root of 225420022 is about 608.5984322454.

Adding to 225420022 its reverse (220024522), we get a palindrome (445444544).

The spelling of 225420022 in words is "two hundred twenty-five million, four hundred twenty thousand, twenty-two".