22150473400 has 144 divisors (see below), whose sum is σ = 58057969320. Its totient is φ = 7794144000.

The previous prime is 22150473379. The next prime is 22150473407. The reversal of 22150473400 is 437405122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22150473407) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2108962 + ... + 2119438.

Almost surely, 2^22150473400 is an apocalyptic number.

22150473400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22150473400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29028984660).

22150473400 is an abundant number, since it is smaller than the sum of its proper divisors (35907495920).

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

22150473400 is a wasteful number, since it uses less digits than its factorization.

22150473400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10566 (or 10526 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

Adding to 22150473400 its reverse (437405122), we get a palindrome (22587878522).

The spelling of 22150473400 in words is "twenty-two billion, one hundred fifty million, four hundred seventy-three thousand, four hundred".