22033152240 has 80 divisors (see below), whose sum is σ = 74512123776. Its totient is φ = 5341369600.

The previous prime is 22033152223. The next prime is 22033152269. The reversal of 22033152240 is 4225133022.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 22033152240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4170306 + ... + 4175585.

Almost surely, 2^22033152240 is an apocalyptic number.

22033152240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22033152240 is an abundant number, since it is smaller than the sum of its proper divisors (52478971536).

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

22033152240 is a wasteful number, since it uses less digits than its factorization.

22033152240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8345918 (or 8345912 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 22033152240 its reverse (4225133022), we get a palindrome (26258285262).

The spelling of 22033152240 in words is "twenty-two billion, thirty-three million, one hundred fifty-two thousand, two hundred forty".