222029723 has 4 divisors (see below), whose sum is σ = 222248208. Its totient is φ = 221811240.

The previous prime is 222029701. The next prime is 222029749. The reversal of 222029723 is 327920222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222029723 - 2¹⁴ = 222013339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222029783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107711 + ... + 109752.

It is an arithmetic number, because the mean of its divisors is an integer number (55562052).

Almost surely, 2^222029723 is an apocalyptic number.

222029723 is a deficient number, since it is larger than the sum of its proper divisors (218485).

222029723 is a wasteful number, since it uses less digits than its factorization.

222029723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218484.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 222029723 is about 14900.6618309389. The cubic root of 222029723 is about 605.5319166013.

Adding to 222029723 its reverse (327920222), we get a palindrome (549949945).

The spelling of 222029723 in words is "two hundred twenty-two million, twenty-nine thousand, seven hundred twenty-three".