222890753 has 2 divisors, whose sum is σ = 222890754. Its totient is φ = 222890752.

The previous prime is 222890699. The next prime is 222890777. The reversal of 222890753 is 357098222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 212955649 + 9935104 = 14593^2 + 3152^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222890753 is a prime.

It is a super-3 number, since 3×222890753³ (a number of 26 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (222890783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111445376 + 111445377.

It is an arithmetic number, because the mean of its divisors is an integer number (111445377).

Almost surely, 2^222890753 is an apocalyptic number.

It is an amenable number.

222890753 is a deficient number, since it is larger than the sum of its proper divisors (1).

222890753 is an equidigital number, since it uses as much as digits as its factorization.

222890753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 222890753 is about 14929.5262148536. The cubic root of 222890753 is about 606.3136567161.

The spelling of 222890753 in words is "two hundred twenty-two million, eight hundred ninety thousand, seven hundred fifty-three".