22451434004 has 6 divisors (see below), whose sum is σ = 39290009514. Its totient is φ = 11225717000.

The previous prime is 22451434003. The next prime is 22451434009. The reversal of 22451434004 is 40043415422.

It can be written as a sum of positive squares in only one way, i.e., 21214505104 + 1236928900 = 145652^2 + 35170^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22451434003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2806429247 + ... + 2806429254.

It is an arithmetic number, because the mean of its divisors is an integer number (6548334919).

Almost surely, 2^22451434004 is an apocalyptic number.

It is an amenable number.

22451434004 is a deficient number, since it is larger than the sum of its proper divisors (16838575510).

22451434004 is a wasteful number, since it uses less digits than its factorization.

22451434004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5612858505 (or 5612858503 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 22451434004 its reverse (40043415422), we get a palindrome (62494849426).

The spelling of 22451434004 in words is "twenty-two billion, four hundred fifty-one million, four hundred thirty-four thousand, four".