220225401 has 24 divisors (see below), whose sum is σ = 347518080. Its totient is φ = 133279200.

The previous prime is 220225399. The next prime is 220225469. The reversal of 220225401 is 104522022.

It is not a de Polignac number, because 220225401 - 2¹ = 220225399 is a prime.

It is a super-2 number, since 2×220225401² = 96998454491221602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220225471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101791 + ... + 103931.

It is an arithmetic number, because the mean of its divisors is an integer number (14479920).

Almost surely, 2^220225401 is an apocalyptic number.

It is an amenable number.

220225401 is a deficient number, since it is larger than the sum of its proper divisors (127292679).

220225401 is a wasteful number, since it uses less digits than its factorization.

220225401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3197 (or 3194 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 220225401 is about 14839.9932951467. The cubic root of 220225401 is about 603.8871704583.

Adding to 220225401 its reverse (104522022), we get a palindrome (324747423).

The spelling of 220225401 in words is "two hundred twenty million, two hundred twenty-five thousand, four hundred one".