222723542 has 4 divisors (see below), whose sum is σ = 334085316. Its totient is φ = 111361770.

The previous prime is 222723539. The next prime is 222723551. The reversal of 222723542 is 245327222.

222723542 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×222723542² = 99211552322051528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55680884 + ... + 55680887.

It is an arithmetic number, because the mean of its divisors is an integer number (83521329).

Almost surely, 2^222723542 is an apocalyptic number.

222723542 is a deficient number, since it is larger than the sum of its proper divisors (111361774).

222723542 is a wasteful number, since it uses less digits than its factorization.

222723542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111361773.

The product of its digits is 13440, while the sum is 29.

The square root of 222723542 is about 14923.9251539265. The cubic root of 222723542 is about 606.1620014408.

The spelling of 222723542 in words is "two hundred twenty-two million, seven hundred twenty-three thousand, five hundred forty-two".