222035381 has 2 divisors, whose sum is σ = 222035382. Its totient is φ = 222035380.

The previous prime is 222035371. The next prime is 222035417. The reversal of 222035381 is 183530222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149206225 + 72829156 = 12215^2 + 8534^2 .

It is a cyclic number.

It is not a de Polignac number, because 222035381 - 2¹⁰ = 222034357 is a prime.

It is a super-2 number, since 2×222035381² = 98599420831630322, 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 222035381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222035371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111017690 + 111017691.

It is an arithmetic number, because the mean of its divisors is an integer number (111017691).

Almost surely, 2^222035381 is an apocalyptic number.

It is an amenable number.

222035381 is a deficient number, since it is larger than the sum of its proper divisors (1).

222035381 is an equidigital number, since it uses as much as digits as its factorization.

222035381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 222035381 is about 14900.8516870681. The cubic root of 222035381 is about 605.5370601626.

The spelling of 222035381 in words is "two hundred twenty-two million, thirty-five thousand, three hundred eighty-one".