222219723 has 16 divisors (see below), whose sum is σ = 324688896. Its totient is φ = 134070240.

The previous prime is 222219703. The next prime is 222219727. The reversal of 222219723 is 327912222.

It is not a de Polignac number, because 222219723 - 2⁹ = 222219211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222219727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7740 + ... + 22457.

It is an arithmetic number, because the mean of its divisors is an integer number (20293056).

Almost surely, 2^222219723 is an apocalyptic number.

222219723 is a deficient number, since it is larger than the sum of its proper divisors (102469173).

222219723 is a wasteful number, since it uses less digits than its factorization.

222219723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30434.

The product of its digits is 6048, while the sum is 30.

The square root of 222219723 is about 14907.0360233012. The cubic root of 222219723 is about 605.7045935748.

It can be divided in two parts, 2222 and 19723, that added together give a triangular number (21945 = T₂₀₉).

The spelling of 222219723 in words is "two hundred twenty-two million, two hundred nineteen thousand, seven hundred twenty-three".