1422021004431 has 12 divisors (see below), whose sum is σ = 1941147122328. Its totient is φ = 925967162064.

The previous prime is 1422021004423. The next prime is 1422021004463. The reversal of 1422021004431 is 1344001202241.

It is not a de Polignac number, because 1422021004431 - 2³ = 1422021004423 is a prime.

It is a super-2 number, since 2×1422021004431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422021004631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128173740 + ... + 128184833.

It is an arithmetic number, because the mean of its divisors is an integer number (161762260194).

Almost surely, 2^{1422021004431} is an apocalyptic number.

1422021004431 is a deficient number, since it is larger than the sum of its proper divisors (519126117897).

1422021004431 is an equidigital number, since it uses as much as digits as its factorization.

1422021004431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256358662 (or 256358619 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1422021004431 its reverse (1344001202241), we get a palindrome (2766022206672).

The spelling of 1422021004431 in words is "one trillion, four hundred twenty-two billion, twenty-one million, four thousand, four hundred thirty-one".