22011002040 has 32 divisors (see below), whose sum is σ = 66033006480. Its totient is φ = 5869600512.

The previous prime is 22011002033. The next prime is 22011002051. The reversal of 22011002040 is 4020011022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91712389 + ... + 91712628.

Almost surely, 2^22011002040 is an apocalyptic number.

22011002040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22011002040 is an abundant number, since it is smaller than the sum of its proper divisors (44022004440).

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

22011002040 is a wasteful number, since it uses less digits than its factorization.

22011002040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183425031 (or 183425027 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22011002040 its reverse (4020011022), we get a palindrome (26031013062).

The spelling of 22011002040 in words is "twenty-two billion, eleven million, two thousand, forty".