22273162778100 has 144 divisors (see below), whose sum is σ = 69513379483968. Its totient is φ = 5473738152960.

The previous prime is 22273162778077. The next prime is 22273162778101. The reversal of 22273162778100 is 187726137222.

It is a super-2 number, since 2×22273162778100² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22273162778100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22273162778101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2221794 + ... + 7034393.

It is an arithmetic number, because the mean of its divisors is an integer number (482731801972).

Almost surely, 2^{22273162778100} is an apocalyptic number.

22273162778100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22273162778100 is an abundant number, since it is smaller than the sum of its proper divisors (47240216705868).

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

22273162778100 is a wasteful number, since it uses less digits than its factorization.

22273162778100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9256834 (or 9256827 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 48.

The spelling of 22273162778100 in words is "twenty-two trillion, two hundred seventy-three billion, one hundred sixty-two million, seven hundred seventy-eight thousand, one hundred".