22273333332272 has 80 divisors (see below), whose sum is σ = 47233874338560. Its totient is φ = 10090669036800.

The previous prime is 22273333332253. The next prime is 22273333332331. The reversal of 22273333332272 is 27223333337222.

It is a happy number.

It is a super-2 number, since 2×22273333332272² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 908769554 + ... + 908794062.

It is an arithmetic number, because the mean of its divisors is an integer number (590423429232).

Almost surely, 2^{22273333332272} is an apocalyptic number.

22273333332272 is a gapful number since it is divisible by the number (22) 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 22273333332272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23616937169280).

22273333332272 is an abundant number, since it is smaller than the sum of its proper divisors (24960541006288).

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

22273333332272 is a wasteful number, since it uses less digits than its factorization.

22273333332272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41442 (or 41436 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 44.

Adding to 22273333332272 its reverse (27223333337222), we get a palindrome (49496666669494).

The spelling of 22273333332272 in words is "twenty-two trillion, two hundred seventy-three billion, three hundred thirty-three million, three hundred thirty-two thousand, two hundred seventy-two".