222386978452 has 6 divisors (see below), whose sum is σ = 389177212298. Its totient is φ = 111193489224.

The previous prime is 222386978417. The next prime is 222386978453. The reversal of 222386978452 is 254879683222.

It can be written as a sum of positive squares in only one way, i.e., 170696227716 + 51690750736 = 413154^2 + 227356^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222386978453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27798372303 + ... + 27798372310.

Almost surely, 2^222386978452 is an apocalyptic number.

It is an amenable number.

222386978452 is a deficient number, since it is larger than the sum of its proper divisors (166790233846).

222386978452 is a wasteful number, since it uses less digits than its factorization.

222386978452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55596744617 (or 55596744615 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 58.

The spelling of 222386978452 in words is "two hundred twenty-two billion, three hundred eighty-six million, nine hundred seventy-eight thousand, four hundred fifty-two".