222510425 has 24 divisors (see below), whose sum is σ = 292168800. Its totient is φ = 167633280.

The previous prime is 222510419. The next prime is 222510437. The reversal of 222510425 is 524015222.

It is not a de Polignac number, because 222510425 - 2¹² = 222506329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222510425.

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, 83717 + ... + 86333.

It is an arithmetic number, because the mean of its divisors is an integer number (12173700).

Almost surely, 2^222510425 is an apocalyptic number.

222510425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

222510425 is a deficient number, since it is larger than the sum of its proper divisors (69658375).

222510425 is a wasteful number, since it uses less digits than its factorization.

222510425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2825 (or 2820 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 222510425 is about 14916.7833328771. The cubic root of 222510425 is about 605.9686007614.

Adding to 222510425 its reverse (524015222), we get a palindrome (746525647).

The spelling of 222510425 in words is "two hundred twenty-two million, five hundred ten thousand, four hundred twenty-five".