222407623 has 2 divisors, whose sum is σ = 222407624. Its totient is φ = 222407622.

The previous prime is 222407621. The next prime is 222407659. The reversal of 222407623 is 326704222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222407623 - 2¹ = 222407621 is a prime.

Together with 222407621, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 222407591 and 222407600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222407621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111203811 + 111203812.

It is an arithmetic number, because the mean of its divisors is an integer number (111203812).

Almost surely, 2^222407623 is an apocalyptic number.

222407623 is a deficient number, since it is larger than the sum of its proper divisors (1).

222407623 is an equidigital number, since it uses as much as digits as its factorization.

222407623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 222407623 is about 14913.3370846367. The cubic root of 222407623 is about 605.8752652392.

The spelling of 222407623 in words is "two hundred twenty-two million, four hundred seven thousand, six hundred twenty-three".