22431240543425 has 24 divisors (see below), whose sum is σ = 33170371115136. Its totient is φ = 14712664602240.

The previous prime is 22431240543407. The next prime is 22431240543493. The reversal of 22431240543425 is 52434504213422.

It is not a de Polignac number, because 22431240543425 - 2¹⁴ = 22431240527041 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2786485484 + ... + 2786493533.

It is an arithmetic number, because the mean of its divisors is an integer number (1382098796464).

Almost surely, 2^{22431240543425} is an apocalyptic number.

22431240543425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22431240543425 is a deficient number, since it is larger than the sum of its proper divisors (10739130571711).

22431240543425 is a wasteful number, since it uses less digits than its factorization.

22431240543425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5572979057 (or 5572979052 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 41.

Adding to 22431240543425 its reverse (52434504213422), we get a palindrome (74865744756847).

The spelling of 22431240543425 in words is "twenty-two trillion, four hundred thirty-one billion, two hundred forty million, five hundred forty-three thousand, four hundred twenty-five".