222153625 has 16 divisors (see below), whose sum is σ = 278877456. Its totient is φ = 176678400.

The previous prime is 222153623. The next prime is 222153653. The reversal of 222153625 is 526351222.

It can be written as a sum of positive squares in 8 ways, for example, as 53231616 + 168922009 = 7296^2 + 12997^2 .

It is not a de Polignac number, because 222153625 - 2¹ = 222153623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222153593 and 222153602.

It is not an unprimeable number, because it can be changed into a prime (222153623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16489 + ... + 26761.

It is an arithmetic number, because the mean of its divisors is an integer number (17429841).

Almost surely, 2^222153625 is an apocalyptic number.

222153625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

222153625 is a deficient number, since it is larger than the sum of its proper divisors (56723831).

222153625 is a wasteful number, since it uses less digits than its factorization.

222153625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10461 (or 10451 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 222153625 is about 14904.8188516332. The cubic root of 222153625 is about 605.6445331508.

It can be divided in two parts, 222153 and 625, that added together give a triangular number (222778 = T₆₆₇).

The spelling of 222153625 in words is "two hundred twenty-two million, one hundred fifty-three thousand, six hundred twenty-five".