22002406240 has 48 divisors (see below), whose sum is σ = 53657493120. Its totient is φ = 8517058560.

The previous prime is 22002406219. The next prime is 22002406249. The reversal of 22002406240 is 4260420022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002406249) 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, 2213025 + ... + 2222944.

It is an arithmetic number, because the mean of its divisors is an integer number (1117864440).

Almost surely, 2^22002406240 is an apocalyptic number.

22002406240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22002406240 is an abundant number, since it is smaller than the sum of its proper divisors (31655086880).

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

22002406240 is a wasteful number, since it uses less digits than its factorization.

22002406240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4436015 (or 4436007 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 22002406240 its reverse (4260420022), we get a palindrome (26262826262).

The spelling of 22002406240 in words is "twenty-two billion, two million, four hundred six thousand, two hundred forty".