222866542 has 8 divisors (see below), whose sum is σ = 351894600. Its totient is φ = 105568344.

The previous prime is 222866461. The next prime is 222866543. The reversal of 222866542 is 245668222.

It is a happy number.

222866542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222866543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2932417 + ... + 2932492.

It is an arithmetic number, because the mean of its divisors is an integer number (43986825).

Almost surely, 2^222866542 is an apocalyptic number.

222866542 is a deficient number, since it is larger than the sum of its proper divisors (129028058).

222866542 is a wasteful number, since it uses less digits than its factorization.

222866542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5864930.

The product of its digits is 92160, while the sum is 37.

The square root of 222866542 is about 14928.7153499556. The cubic root of 222866542 is about 606.2917027748.

The spelling of 222866542 in words is "two hundred twenty-two million, eight hundred sixty-six thousand, five hundred forty-two".