24220222040 has 32 divisors (see below), whose sum is σ = 62280571680. Its totient is φ = 8304076032.

The previous prime is 24220222009. The next prime is 24220222057. The reversal of 24220222040 is 4022202242.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 43250117 + ... + 43250676.

It is an arithmetic number, because the mean of its divisors is an integer number (1946267865).

Almost surely, 2^24220222040 is an apocalyptic number.

24220222040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24220222040 is an abundant number, since it is smaller than the sum of its proper divisors (38060349640).

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

24220222040 is a wasteful number, since it uses less digits than its factorization.

24220222040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86500811 (or 86500807 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 24220222040 its reverse (4022202242), we get a palindrome (28242424282).

The spelling of 24220222040 in words is "twenty-four billion, two hundred twenty million, two hundred twenty-two thousand, forty".