220222025 has 12 divisors (see below), whose sum is σ = 278886912. Its totient is φ = 172428240.

The previous prime is 220222021. The next prime is 220222069. The reversal of 220222025 is 520222022.

It is a happy number.

It is not a de Polignac number, because 220222025 - 2² = 220222021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 220221994 and 220222012.

It is not an unprimeable number, because it can be changed into a prime (220222021) 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, 92537 + ... + 94886.

It is an arithmetic number, because the mean of its divisors is an integer number (23240576).

Almost surely, 2^220222025 is an apocalyptic number.

220222025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220222025 is a deficient number, since it is larger than the sum of its proper divisors (58664887).

220222025 is a wasteful number, since it uses less digits than its factorization.

220222025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187480 (or 187475 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 220222025 is about 14839.8795480287. The cubic root of 220222025 is about 603.8840846297.

Adding to 220222025 its reverse (520222022), we get a palindrome (740444047).

The spelling of 220222025 in words is "two hundred twenty million, two hundred twenty-two thousand, twenty-five".