222420104 has 8 divisors (see below), whose sum is σ = 417037710. Its totient is φ = 111210048.

The previous prime is 222420103. The next prime is 222420113. The reversal of 222420104 is 401024222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 128368900 + 94051204 = 11330^2 + 9698^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (222420103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13901249 + ... + 13901264.

Almost surely, 2^222420104 is an apocalyptic number.

It is an amenable number.

222420104 is a deficient number, since it is larger than the sum of its proper divisors (194617606).

222420104 is a wasteful number, since it uses less digits than its factorization.

222420104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27802519 (or 27802515 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 222420104 is about 14913.7555297115. The cubic root of 222420104 is about 605.8865984654.

Adding to 222420104 its reverse (401024222), we get a palindrome (623444326).

The spelling of 222420104 in words is "two hundred twenty-two million, four hundred twenty thousand, one hundred four".