222738941 has 2 divisors, whose sum is σ = 222738942. Its totient is φ = 222738940.

The previous prime is 222738899. The next prime is 222738961. The reversal of 222738941 is 149837222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124233316 + 98505625 = 11146^2 + 9925^2 .

It is a cyclic number.

It is not a de Polignac number, because 222738941 - 2¹⁴ = 222722557 is a prime.

It is a super-2 number, since 2×222738941² = 99225271675602962, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222738895 and 222738904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222738961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111369470 + 111369471.

It is an arithmetic number, because the mean of its divisors is an integer number (111369471).

Almost surely, 2^222738941 is an apocalyptic number.

It is an amenable number.

222738941 is a deficient number, since it is larger than the sum of its proper divisors (1).

222738941 is an equidigital number, since it uses as much as digits as its factorization.

222738941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 38.

The square root of 222738941 is about 14924.4410615607. The cubic root of 222738941 is about 606.1759710365.

The spelling of 222738941 in words is "two hundred twenty-two million, seven hundred thirty-eight thousand, nine hundred forty-one".