222741745 has 4 divisors (see below), whose sum is σ = 267290100. Its totient is φ = 178193392.

The previous prime is 222741733. The next prime is 222741749. The reversal of 222741745 is 547147222.

222741745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53012961 + 169728784 = 7281^2 + 13028^2 .

It is a cyclic number.

It is not a de Polignac number, because 222741745 - 2¹⁷ = 222610673 is a prime.

It is a super-2 number, since 2×222741745² = 99227769931290050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222741745.

It is not an unprimeable number, because it can be changed into a prime (222741749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22274170 + ... + 22274179.

It is an arithmetic number, because the mean of its divisors is an integer number (66822525).

Almost surely, 2^222741745 is an apocalyptic number.

It is an amenable number.

222741745 is a deficient number, since it is larger than the sum of its proper divisors (44548355).

222741745 is an equidigital number, since it uses as much as digits as its factorization.

222741745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44548354.

The product of its digits is 31360, while the sum is 34.

The square root of 222741745 is about 14924.5350011315. The cubic root of 222741745 is about 606.1785146874.

Adding to 222741745 its reverse (547147222), we get a palindrome (769888967).

The spelling of 222741745 in words is "two hundred twenty-two million, seven hundred forty-one thousand, seven hundred forty-five".