22144410452 has 12 divisors (see below), whose sum is σ = 39697906836. Its totient is φ = 10802151360.

The previous prime is 22144410433. The next prime is 22144410479. The reversal of 22144410452 is 25401444122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8325467536 + 13818942916 = 91244^2 + 117554^2 .

It is a congruent number.

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, 67513283 + ... + 67513610.

It is an arithmetic number, because the mean of its divisors is an integer number (3308158903).

Almost surely, 2^22144410452 is an apocalyptic number.

It is an amenable number.

22144410452 is a deficient number, since it is larger than the sum of its proper divisors (17553496384).

22144410452 is a wasteful number, since it uses less digits than its factorization.

22144410452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135026938 (or 135026936 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 22144410452 its reverse (25401444122), we get a palindrome (47545854574).

The spelling of 22144410452 in words is "twenty-two billion, one hundred forty-four million, four hundred ten thousand, four hundred fifty-two".