1420222342431 has 16 divisors (see below), whose sum is σ = 1976924192256. Its totient is φ = 905207805216.

The previous prime is 1420222342423. The next prime is 1420222342447. The reversal of 1420222342431 is 1342432220241.

It is not a de Polignac number, because 1420222342431 - 2³ = 1420222342423 is a prime.

It is a super-2 number, since 2×1420222342431² (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 (1420222352431) 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, 4871235 + ... + 5154548.

It is an arithmetic number, because the mean of its divisors is an integer number (123557762016).

Almost surely, 2^{1420222342431} is an apocalyptic number.

1420222342431 is a deficient number, since it is larger than the sum of its proper divisors (556701849825).

1420222342431 is a wasteful number, since it uses less digits than its factorization.

1420222342431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10027862.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 1420222342431 its reverse (1342432220241), we get a palindrome (2762654562672).

The spelling of 1420222342431 in words is "one trillion, four hundred twenty billion, two hundred twenty-two million, three hundred forty-two thousand, four hundred thirty-one".