422322401421 has 16 divisors (see below), whose sum is σ = 627156062400. Its totient is φ = 280876307184.

The previous prime is 422322401419. The next prime is 422322401491. The reversal of 422322401421 is 124104223224.

It is a happy number.

422322401421 is a `hidden beast` number, since 4 + 2 + 232 + 2 + 4 + 0 + 1 + 421 = 666.

It is not a de Polignac number, because 422322401421 - 2¹ = 422322401419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422322401491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18654046 + ... + 18676671.

It is an arithmetic number, because the mean of its divisors is an integer number (39197253900).

Almost surely, 2^422322401421 is an apocalyptic number.

It is an amenable number.

422322401421 is a deficient number, since it is larger than the sum of its proper divisors (204833660979).

422322401421 is a wasteful number, since it uses less digits than its factorization.

422322401421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37331145 (or 37331139 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 422322401421 its reverse (124104223224), we get a palindrome (546426624645).

The spelling of 422322401421 in words is "four hundred twenty-two billion, three hundred twenty-two million, four hundred one thousand, four hundred twenty-one".