22443214555425 has 12 divisors (see below), whose sum is σ = 37106114731760. Its totient is φ = 11969714429520.

The previous prime is 22443214555409. The next prime is 22443214555427. The reversal of 22443214555425 is 52455541234422.

It is a happy number.

It is not a de Polignac number, because 22443214555425 - 2⁴ = 22443214555409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22443214555427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149621430295 + ... + 149621430444.

Almost surely, 2^{22443214555425} is an apocalyptic number.

22443214555425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22443214555425 is a deficient number, since it is larger than the sum of its proper divisors (14662900176335).

22443214555425 is a wasteful number, since it uses less digits than its factorization.

22443214555425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299242860752 (or 299242860747 counting only the distinct ones).

The product of its digits is 7680000, while the sum is 48.

Adding to 22443214555425 its reverse (52455541234422), we get a palindrome (74898755789847).

The spelling of 22443214555425 in words is "twenty-two trillion, four hundred forty-three billion, two hundred fourteen million, five hundred fifty-five thousand, four hundred twenty-five".