22013144450 has 288 divisors, whose sum is σ = 51556253760. Its totient is φ = 6909235200.

The previous prime is 22013144449. The next prime is 22013144477. The reversal of 22013144450 is 5444131022.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 111741752 + ... + 111741948.

It is an arithmetic number, because the mean of its divisors is an integer number (179014770).

Almost surely, 2^22013144450 is an apocalyptic number.

22013144450 is an abundant number, since it is smaller than the sum of its proper divisors (29543109310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22013144450 is a wasteful number, since it uses less digits than its factorization.

22013144450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 22013144450 its reverse (5444131022), we get a palindrome (27457275472).

The spelling of 22013144450 in words is "twenty-two billion, thirteen million, one hundred forty-four thousand, four hundred fifty".