22148200144 has 20 divisors (see below), whose sum is σ = 49042443424. Its totient is φ = 9492085728.

The previous prime is 22148200127. The next prime is 22148200187. The reversal of 22148200144 is 44100284122.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98875782 + ... + 98876005.

Almost surely, 2^22148200144 is an apocalyptic number.

It is an amenable number.

22148200144 is an abundant number, since it is smaller than the sum of its proper divisors (26894243280).

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

22148200144 is a wasteful number, since it uses less digits than its factorization.

22148200144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197751802 (or 197751796 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 22148200144 its reverse (44100284122), we get a palindrome (66248484266).

The spelling of 22148200144 in words is "twenty-two billion, one hundred forty-eight million, two hundred thousand, one hundred forty-four".