22220204422402 has 32 divisors (see below), whose sum is σ = 39204118195200. Its totient is φ = 9248749255248.

The previous prime is 22220204422399. The next prime is 22220204422421. The reversal of 22220204422402 is 20422440202222.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161985502 + ... + 162122617.

It is an arithmetic number, because the mean of its divisors is an integer number (1225128693600).

Almost surely, 2^{22220204422402} is an apocalyptic number.

22220204422402 is a deficient number, since it is larger than the sum of its proper divisors (16983913772798).

22220204422402 is a wasteful number, since it uses less digits than its factorization.

22220204422402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324108270.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 22220204422402 its reverse (20422440202222), we get a palindrome (42642644624624).

The spelling of 22220204422402 in words is "twenty-two trillion, two hundred twenty billion, two hundred four million, four hundred twenty-two thousand, four hundred two".