22331300144 has 10 divisors (see below), whose sum is σ = 43266894060. Its totient is φ = 11165650064.

The previous prime is 22331300111. The next prime is 22331300149. The reversal of 22331300144 is 44100313322.

It is a super-2 number, since 2×22331300144² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22331300149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697853114 + ... + 697853145.

It is an arithmetic number, because the mean of its divisors is an integer number (4326689406).

Almost surely, 2^22331300144 is an apocalyptic number.

It is an amenable number.

22331300144 is a deficient number, since it is larger than the sum of its proper divisors (20935593916).

22331300144 is a wasteful number, since it uses less digits than its factorization.

22331300144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395706267 (or 1395706261 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 22331300144 its reverse (44100313322), we get a palindrome (66431613466).

The spelling of 22331300144 in words is "twenty-two billion, three hundred thirty-one million, three hundred thousand, one hundred forty-four".