222293745 has 12 divisors (see below), whose sum is σ = 385309236. Its totient is φ = 118556640.

The previous prime is 222293741. The next prime is 222293791. The reversal of 222293745 is 547392222.

It can be written as a sum of positive squares in 2 ways, for example, as 106688241 + 115605504 = 10329^2 + 10752^2 .

It is not a de Polignac number, because 222293745 - 2² = 222293741 is a prime.

It is a super-3 number, since 3×222293745³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (222293741) 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, 2469886 + ... + 2469975.

It is an arithmetic number, because the mean of its divisors is an integer number (32109103).

Almost surely, 2^222293745 is an apocalyptic number.

It is an amenable number.

222293745 is a deficient number, since it is larger than the sum of its proper divisors (163015491).

222293745 is a wasteful number, since it uses less digits than its factorization.

222293745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4939872 (or 4939869 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 222293745 is about 14909.5186038987. The cubic root of 222293745 is about 605.7718400632.

The spelling of 222293745 in words is "two hundred twenty-two million, two hundred ninety-three thousand, seven hundred forty-five".