22430042021444 has 12 divisors (see below), whose sum is σ = 39455954748924. Its totient is φ = 11156912093184.

The previous prime is 22430042021423. The next prime is 22430042021477. The reversal of 22430042021444 is 44412024003422.

It can be written as a sum of positive squares in 2 ways, for example, as 12192038724100 + 10238003297344 = 3491710^2 + 3199688^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22430042021444.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14527228517 + ... + 14527230060.

It is an arithmetic number, because the mean of its divisors is an integer number (3287996229077).

Almost surely, 2^{22430042021444} is an apocalyptic number.

It is an amenable number.

22430042021444 is a deficient number, since it is larger than the sum of its proper divisors (17025912727480).

22430042021444 is a wasteful number, since it uses less digits than its factorization.

22430042021444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29054458774 (or 29054458772 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 22430042021444 its reverse (44412024003422), we get a palindrome (66842066024866).

The spelling of 22430042021444 in words is "twenty-two trillion, four hundred thirty billion, forty-two million, twenty-one thousand, four hundred forty-four".