222206687474 has 8 divisors (see below), whose sum is σ = 333780146220. Its totient is φ = 110946638736.

The previous prime is 222206687473. The next prime is 222206687503. The reversal of 222206687474 is 474786602222.

It can be written as a sum of positive squares in 2 ways, for example, as 214931450449 + 7275237025 = 463607^2 + 85295^2 .

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

It is not an unprimeable number, because it can be changed into a prime (222206687471) 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, 78350729 + ... + 78353564.

Almost surely, 2^222206687474 is an apocalyptic number.

222206687474 is a deficient number, since it is larger than the sum of its proper divisors (111573458746).

222206687474 is a wasteful number, since it uses less digits than its factorization.

222206687474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156705004.

The product of its (nonzero) digits is 3612672, while the sum is 50.

The spelling of 222206687474 in words is "two hundred twenty-two billion, two hundred six million, six hundred eighty-seven thousand, four hundred seventy-four".