22215134300431 has 4 divisors (see below), whose sum is σ = 22215190204792. Its totient is φ = 22215078396072.

The previous prime is 22215134300423. The next prime is 22215134300503. The reversal of 22215134300431 is 13400343151222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22215134300431 - 2³ = 22215134300423 is a prime.

It is a super-2 number, since 2×22215134300431² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22215134300393 and 22215134300402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22215134370431) 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 3 ways as a sum of consecutive naturals, for example, 27351816 + ... + 28152301.

It is an arithmetic number, because the mean of its divisors is an integer number (5553797551198).

Almost surely, 2^{22215134300431} is an apocalyptic number.

22215134300431 is a deficient number, since it is larger than the sum of its proper divisors (55904361).

22215134300431 is an equidigital number, since it uses as much as digits as its factorization.

22215134300431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55904360.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 22215134300431 its reverse (13400343151222), we get a palindrome (35615477451653).

The spelling of 22215134300431 in words is "twenty-two trillion, two hundred fifteen billion, one hundred thirty-four million, three hundred thousand, four hundred thirty-one".