223055407 has 2 divisors, whose sum is σ = 223055408. Its totient is φ = 223055406.

The previous prime is 223055359. The next prime is 223055423. The reversal of 223055407 is 704550322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223055407 - 2²³ = 214666799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223050407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111527703 + 111527704.

It is an arithmetic number, because the mean of its divisors is an integer number (111527704).

Almost surely, 2^223055407 is an apocalyptic number.

223055407 is a deficient number, since it is larger than the sum of its proper divisors (1).

223055407 is an equidigital number, since it uses as much as digits as its factorization.

223055407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 223055407 is about 14935.0395714240. The cubic root of 223055407 is about 606.4629187722.

The spelling of 223055407 in words is "two hundred twenty-three million, fifty-five thousand, four hundred seven".