222404020402 has 16 divisors (see below), whose sum is σ = 354573610560. Its totient is φ = 104326462512.

The previous prime is 222404020387. The next prime is 222404020417. The reversal of 222404020402 is 204020404222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (222404020387) and next prime (222404020417).

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, 28407433 + ... + 28415260.

It is an arithmetic number, because the mean of its divisors is an integer number (22160850660).

Almost surely, 2^222404020402 is an apocalyptic number.

222404020402 is a deficient number, since it is larger than the sum of its proper divisors (132169590158).

222404020402 is a wasteful number, since it uses less digits than its factorization.

222404020402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56822817.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 222404020402 its reverse (204020404222), we get a palindrome (426424424624).

The spelling of 222404020402 in words is "two hundred twenty-two billion, four hundred four million, twenty thousand, four hundred two".