22143501250 has 80 divisors (see below), whose sum is σ = 44778666240. Its totient is φ = 8161416000.

The previous prime is 22143501173. The next prime is 22143501257. The reversal of 22143501250 is 5210534122.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (22143501257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14022961 + ... + 14024539.

It is an arithmetic number, because the mean of its divisors is an integer number (559733328).

Almost surely, 2^22143501250 is an apocalyptic number.

22143501250 is an abundant number, since it is smaller than the sum of its proper divisors (22635164990).

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

22143501250 is a wasteful number, since it uses less digits than its factorization.

22143501250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2477 (or 2462 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 22143501250 in words is "twenty-two billion, one hundred forty-three million, five hundred one thousand, two hundred fifty".