1422312401421 has 24 divisors (see below), whose sum is σ = 2149522717056. Its totient is φ = 904550185440.

The previous prime is 1422312401387. The next prime is 1422312401431. The reversal of 1422312401421 is 1241042132241.

1422312401421 is a `hidden beast` number, since 1 + 4 + 2 + 231 + 2 + 4 + 0 + 1 + 421 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-1422312401421 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422312401431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9133345 + ... + 9287766.

It is an arithmetic number, because the mean of its divisors is an integer number (89563446544).

Almost surely, 2^{1422312401421} is an apocalyptic number.

It is an amenable number.

1422312401421 is a deficient number, since it is larger than the sum of its proper divisors (727210315635).

1422312401421 is a wasteful number, since it uses less digits than its factorization.

1422312401421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18421513 (or 18421510 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 1422312401421 its reverse (1241042132241), we get a palindrome (2663354533662).

The spelling of 1422312401421 in words is "one trillion, four hundred twenty-two billion, three hundred twelve million, four hundred one thousand, four hundred twenty-one".