22304344420144 has 40 divisors (see below), whose sum is σ = 43238315427840. Its totient is φ = 11146071182400.

The previous prime is 22304344420139. The next prime is 22304344420147. The reversal of 22304344420144 is 44102444340322.

It is not an unprimeable number, because it can be changed into a prime (22304344420147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224270109 + ... + 224369539.

It is an arithmetic number, because the mean of its divisors is an integer number (1080957885696).

Almost surely, 2^{22304344420144} is an apocalyptic number.

It is an amenable number.

22304344420144 is a deficient number, since it is larger than the sum of its proper divisors (20933971007696).

22304344420144 is a wasteful number, since it uses less digits than its factorization.

22304344420144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106969 (or 106963 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 37.

Adding to 22304344420144 its reverse (44102444340322), we get a palindrome (66406788760466).

The spelling of 22304344420144 in words is "twenty-two trillion, three hundred four billion, three hundred forty-four million, four hundred twenty thousand, one hundred forty-four".