222212294 has 4 divisors (see below), whose sum is σ = 333318444. Its totient is φ = 111106146.

The previous prime is 222212293. The next prime is 222212323. The reversal of 222212294 is 492212222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 492212222 = 2 ⋅246106111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222212293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55553072 + ... + 55553075.

It is an arithmetic number, because the mean of its divisors is an integer number (83329611).

Almost surely, 2^222212294 is an apocalyptic number.

222212294 is a deficient number, since it is larger than the sum of its proper divisors (111106150).

222212294 is a wasteful number, since it uses less digits than its factorization.

222212294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111106149.

The product of its digits is 2304, while the sum is 26.

The square root of 222212294 is about 14906.7868435824. The cubic root of 222212294 is about 605.6978437545.

The spelling of 222212294 in words is "two hundred twenty-two million, two hundred twelve thousand, two hundred ninety-four".