222140633 has 12 divisors (see below), whose sum is σ = 262955364. Its totient is φ = 186410400.

The previous prime is 222140629. The next prime is 222140641. The reversal of 222140633 is 336041222.

It can be written as a sum of positive squares in 2 ways, for example, as 18593344 + 203547289 = 4312^2 + 14267^2 .

It is not a de Polignac number, because 222140633 - 2² = 222140629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 222140599 and 222140608.

It is not an unprimeable number, because it can be changed into a prime (222140663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69038 + ... + 72183.

It is an arithmetic number, because the mean of its divisors is an integer number (21912947).

Almost surely, 2^222140633 is an apocalyptic number.

It is an amenable number.

222140633 is a deficient number, since it is larger than the sum of its proper divisors (40814731).

222140633 is a wasteful number, since it uses less digits than its factorization.

222140633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141256 (or 141245 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 222140633 is about 14904.3830130603. The cubic root of 222140633 is about 605.6327264754.

Adding to 222140633 its reverse (336041222), we get a palindrome (558181855).

The spelling of 222140633 in words is "two hundred twenty-two million, one hundred forty thousand, six hundred thirty-three".