222635121 has 8 divisors (see below), whose sum is σ = 297644160. Its totient is φ = 148024752.

The previous prime is 222635113. The next prime is 222635129. The reversal of 222635121 is 121536222.

It is an interprime number because it is at equal distance from previous prime (222635113) and next prime (222635129).

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

It is not a de Polignac number, because 222635121 - 2³ = 222635113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222635091 and 222635100.

It is not an unprimeable number, because it can be changed into a prime (222635129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98361 + ... + 100598.

It is an arithmetic number, because the mean of its divisors is an integer number (37205520).

Almost surely, 2^222635121 is an apocalyptic number.

It is an amenable number.

222635121 is a deficient number, since it is larger than the sum of its proper divisors (75009039).

222635121 is a wasteful number, since it uses less digits than its factorization.

222635121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199335.

The product of its digits is 1440, while the sum is 24.

The square root of 222635121 is about 14920.9624689562. The cubic root of 222635121 is about 606.0817756084.

The spelling of 222635121 in words is "two hundred twenty-two million, six hundred thirty-five thousand, one hundred twenty-one".