22131140214450 has 24 divisors (see below), whose sum is σ = 54885227732208. Its totient is φ = 5901637390480.

The previous prime is 22131140214371. The next prime is 22131140214499. The reversal of 22131140214450 is 5441204113122.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73770467232 + ... + 73770467531.

It is an arithmetic number, because the mean of its divisors is an integer number (2286884488842).

Almost surely, 2^{22131140214450} is an apocalyptic number.

22131140214450 is an abundant number, since it is smaller than the sum of its proper divisors (32754087517758).

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

22131140214450 is a wasteful number, since it uses less digits than its factorization.

22131140214450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147540934778 (or 147540934773 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 22131140214450 its reverse (5441204113122), we get a palindrome (27572344327572).

The spelling of 22131140214450 in words is "twenty-two trillion, one hundred thirty-one billion, one hundred forty million, two hundred fourteen thousand, four hundred fifty".