22150061200 has 30 divisors (see below), whose sum is σ = 53215522994. Its totient is φ = 8860024320.

The previous prime is 22150061191. The next prime is 22150061201. The reversal of 22150061200 is 216005122.

It can be written as a sum of positive squares in 3 ways, for example, as 2636206336 + 19513854864 = 51344^2 + 139692^2 .

It is a super-2 number, since 2×22150061200² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22150061201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27687177 + ... + 27687976.

Almost surely, 2^22150061200 is an apocalyptic number.

22150061200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22150061200 is an abundant number, since it is smaller than the sum of its proper divisors (31065461794).

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

22150061200 is a wasteful number, since it uses less digits than its factorization.

22150061200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55375171 (or 55375160 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 22150061200 its reverse (216005122), we get a palindrome (22366066322).

The spelling of 22150061200 in words is "twenty-two billion, one hundred fifty million, sixty-one thousand, two hundred".