222222404222222 has 4 divisors (see below), whose sum is σ = 333333606333336. Its totient is φ = 111111202111110.

The previous prime is 222222404222207. The next prime is 222222404222263.

222222404222222 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555601055554 + ... + 55555601055557.

It is an arithmetic number, because the mean of its divisors is an integer number (83333401583334).

Almost surely, 2^{222222404222222} is an apocalyptic number.

222222404222222 is a deficient number, since it is larger than the sum of its proper divisors (111111202111114).

222222404222222 is a wasteful number, since it uses less digits than its factorization.

222222404222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111111202111113.

The product of its (nonzero) digits is 65536, while the sum is 32.

It can be divided in two parts, 22222240 and 4222222, that added together give a palindrome (26444462).

The spelling of 222222404222222 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, four hundred four million, two hundred twenty-two thousand, two hundred twenty-two".