22443115130231 has 4 divisors (see below), whose sum is σ = 22443342908952. Its totient is φ = 22442887351512.

The previous prime is 22443115130213. The next prime is 22443115130251. The reversal of 22443115130231 is 13203151134422.

It is a happy number.

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 22443115130231 - 2¹⁰ = 22443115129207 is a prime.

It is a super-2 number, since 2×22443115130231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22443115130251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113741501 + ... + 113938646.

It is an arithmetic number, because the mean of its divisors is an integer number (5610835727238).

Almost surely, 2^{22443115130231} is an apocalyptic number.

22443115130231 is a deficient number, since it is larger than the sum of its proper divisors (227778721).

22443115130231 is an equidigital number, since it uses as much as digits as its factorization.

22443115130231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227778720.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 22443115130231 its reverse (13203151134422), we get a palindrome (35646266264653).

The spelling of 22443115130231 in words is "twenty-two trillion, four hundred forty-three billion, one hundred fifteen million, one hundred thirty thousand, two hundred thirty-one".