222219850 has 12 divisors (see below), whose sum is σ = 413329014. Its totient is φ = 88887920.

The previous prime is 222219827. The next prime is 222219863. The reversal of 222219850 is 58912222.

It can be written as a sum of positive squares in 3 ways, for example, as 127215841 + 95004009 = 11279^2 + 9747^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2222149 + ... + 2222248.

Almost surely, 2^222219850 is an apocalyptic number.

222219850 is a deficient number, since it is larger than the sum of its proper divisors (191109164).

222219850 is a wasteful number, since it uses less digits than its factorization.

222219850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4444409 (or 4444404 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 222219850 is about 14907.0402830341. The cubic root of 222219850 is about 605.7047089628.

Subtracting from 222219850 its reverse (58912222), we obtain a triangular number (163307628 = T₁₈₀₇₂).

The spelling of 222219850 in words is "two hundred twenty-two million, two hundred nineteen thousand, eight hundred fifty".