22226776 has 32 divisors (see below), whose sum is σ = 48963600. Its totient is φ = 9325440.

The previous prime is 22226773. The next prime is 22226779. The reversal of 22226776 is 67762222.

It is an interprime number because it is at equal distance from previous prime (22226773) and next prime (22226779).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22226773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8571 + ... + 10858.

Almost surely, 2^22226776 is an apocalyptic number.

22226776 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

22226776 is an abundant number, since it is smaller than the sum of its proper divisors (26736824).

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

22226776 is a wasteful number, since it uses less digits than its factorization.

22226776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19459 (or 19455 counting only the distinct ones).

The product of its digits is 28224, while the sum is 34.

The square root of 22226776 is about 4714.5281842407. The cubic root of 22226776 is about 281.1634244803.

Adding to 22226776 its reverse (67762222), we get a palindrome (89988998).

It can be divided in two parts, 2222 and 6776, that added together give a palindrome (8998).

The spelling of 22226776 in words is "twenty-two million, two hundred twenty-six thousand, seven hundred seventy-six".