222500455 has 8 divisors (see below), whose sum is σ = 267491952. Its totient is φ = 177672768.

The previous prime is 222500449. The next prime is 222500461. The reversal of 222500455 is 554005222.

It is a happy number.

222500455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (222500449) and next prime (222500461).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222500455 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37942 + ... + 43411.

It is an arithmetic number, because the mean of its divisors is an integer number (33436494).

Almost surely, 2^222500455 is an apocalyptic number.

222500455 is a deficient number, since it is larger than the sum of its proper divisors (44991497).

222500455 is an equidigital number, since it uses as much as digits as its factorization.

222500455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81905.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 222500455 is about 14916.4491418032. The cubic root of 222500455 is about 605.9595501035.

Adding to 222500455 its reverse (554005222), we get a palindrome (776505677).

The spelling of 222500455 in words is "two hundred twenty-two million, five hundred thousand, four hundred fifty-five".