22404222421222 has 8 divisors (see below), whose sum is σ = 33606397683216. Its totient is φ = 11202089860152.

The previous prime is 22404222421201. The next prime is 22404222421247. The reversal of 22404222421222 is 22212422240422.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9329613 + ... + 11482600.

It is an arithmetic number, because the mean of its divisors is an integer number (4200799710402).

Almost surely, 2^{22404222421222} is an apocalyptic number.

22404222421222 is a deficient number, since it is larger than the sum of its proper divisors (11202175261994).

22404222421222 is a wasteful number, since it uses less digits than its factorization.

22404222421222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21350462.

The product of its (nonzero) digits is 32768, while the sum is 31.

Adding to 22404222421222 its reverse (22212422240422), we get a palindrome (44616644661644).

The spelling of 22404222421222 in words is "twenty-two trillion, four hundred four billion, two hundred twenty-two million, four hundred twenty-one thousand, two hundred twenty-two".