222011025 has 24 divisors (see below), whose sum is σ = 373083264. Its totient is φ = 116462400.

The previous prime is 222011017. The next prime is 222011047. The reversal of 222011025 is 520110222.

It is not a de Polignac number, because 222011025 - 2³ = 222011017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 222010995 and 222011013.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19689 + ... + 28838.

It is an arithmetic number, because the mean of its divisors is an integer number (15545136).

Almost surely, 2^222011025 is an apocalyptic number.

222011025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

222011025 is a deficient number, since it is larger than the sum of its proper divisors (151072239).

222011025 is a wasteful number, since it uses less digits than its factorization.

222011025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48601 (or 48596 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 222011025 is about 14900.0343959335. The cubic root of 222011025 is about 605.5149180459.

Adding to 222011025 its reverse (520110222), we get a palindrome (742121247).

The spelling of 222011025 in words is "two hundred twenty-two million, eleven thousand, twenty-five".