221424322200422 has 32 divisors (see below), whose sum is σ = 362392436125440. Its totient is φ = 100630274447520.

The previous prime is 221424322200401. The next prime is 221424322200469. The reversal of 221424322200422 is 224002223424122.

It is a congruent number.

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, 3918778223 + ... + 3918834725.

It is an arithmetic number, because the mean of its divisors is an integer number (11324763628920).

Almost surely, 2^{221424322200422} is an apocalyptic number.

221424322200422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221424322200422 is a deficient number, since it is larger than the sum of its proper divisors (140968113925018).

221424322200422 is a wasteful number, since it uses less digits than its factorization.

221424322200422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83708.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 221424322200422 its reverse (224002223424122), we get a palindrome (445426545624544).

The spelling of 221424322200422 in words is "two hundred twenty-one trillion, four hundred twenty-four billion, three hundred twenty-two million, two hundred thousand, four hundred twenty-two".