22233340 has 12 divisors (see below), whose sum is σ = 46690056. Its totient is φ = 8893328.

The previous prime is 22233317. The next prime is 22233359. The reversal of 22233340 is 4333222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555814 + ... + 555853.

It is an arithmetic number, because the mean of its divisors is an integer number (3890838).

Almost surely, 2^22233340 is an apocalyptic number.

22233340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22233340 is an abundant number, since it is smaller than the sum of its proper divisors (24456716).

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

22233340 is a wasteful number, since it uses less digits than its factorization.

22233340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111676 (or 1111674 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 22233340 is about 4715.2242788652. The cubic root of 22233340 is about 281.1910994352.

Adding to 22233340 its reverse (4333222), we get a palindrome (26566562).

The spelling of 22233340 in words is "twenty-two million, two hundred thirty-three thousand, three hundred forty".