222276016525 has 24 divisors (see below), whose sum is σ = 288066015720. Its totient is φ = 169919016960.

The previous prime is 222276016519. The next prime is 222276016531. The reversal of 222276016525 is 525610672222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (222276016519) and next prime (222276016531).

It can be written as a sum of positive squares in 12 ways, for example, as 100705944964 + 121570071561 = 317342^2 + 348669^2 .

It is not a de Polignac number, because 222276016525 - 2³ = 222276016517 is a prime.

It is a congruent number.

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, 1510024 + ... + 1650673.

It is an arithmetic number, because the mean of its divisors is an integer number (12002750655).

Almost surely, 2^222276016525 is an apocalyptic number.

222276016525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

222276016525 is a deficient number, since it is larger than the sum of its proper divisors (65789999195).

222276016525 is a wasteful number, since it uses less digits than its factorization.

222276016525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3160833 (or 3160828 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

Adding to 222276016525 its reverse (525610672222), we get a palindrome (747886688747).

The spelling of 222276016525 in words is "two hundred twenty-two billion, two hundred seventy-six million, sixteen thousand, five hundred twenty-five".