222321421010 has 16 divisors (see below), whose sum is σ = 430961524056. Its totient is φ = 82087909248.

The previous prime is 222321421009. The next prime is 222321421027. The reversal of 222321421010 is 10124123222.

It can be written as a sum of positive squares in 4 ways, for example, as 165358529449 + 56962891561 = 406643^2 + 238669^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 855082259 + ... + 855082518.

Almost surely, 2^222321421010 is an apocalyptic number.

222321421010 is a deficient number, since it is larger than the sum of its proper divisors (208640103046).

222321421010 is a wasteful number, since it uses less digits than its factorization.

222321421010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710164797.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 222321421010 its reverse (10124123222), we get a palindrome (232445544232).

The spelling of 222321421010 in words is "two hundred twenty-two billion, three hundred twenty-one million, four hundred twenty-one thousand, ten".