222130451 has 2 divisors, whose sum is σ = 222130452. Its totient is φ = 222130450.

The previous prime is 222130429. The next prime is 222130453. The reversal of 222130451 is 154031222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222130451 is a prime.

It is a super-2 number, since 2×222130451² = 98683874522926802, which contains 22 as substring.

Together with 222130453, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (222130453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111065225 + 111065226.

It is an arithmetic number, because the mean of its divisors is an integer number (111065226).

Almost surely, 2^222130451 is an apocalyptic number.

222130451 is a deficient number, since it is larger than the sum of its proper divisors (1).

222130451 is an equidigital number, since it uses as much as digits as its factorization.

222130451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 222130451 is about 14904.0414317728. The cubic root of 222130451 is about 605.6234731081.

Adding to 222130451 its reverse (154031222), we get a palindrome (376161673).

The spelling of 222130451 in words is "two hundred twenty-two million, one hundred thirty thousand, four hundred fifty-one".