22031401240 has 16 divisors (see below), whose sum is σ = 49570652880. Its totient is φ = 8812560480.

The previous prime is 22031401229. The next prime is 22031401283. The reversal of 22031401240 is 4210413022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275392476 + ... + 275392555.

It is an arithmetic number, because the mean of its divisors is an integer number (3098165805).

Almost surely, 2^22031401240 is an apocalyptic number.

22031401240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22031401240 is an abundant number, since it is smaller than the sum of its proper divisors (27539251640).

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

22031401240 is a wasteful number, since it uses less digits than its factorization.

22031401240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550785042 (or 550785038 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 22031401240 its reverse (4210413022), we get a palindrome (26241814262).

The spelling of 22031401240 in words is "twenty-two billion, thirty-one million, four hundred one thousand, two hundred forty".