22233744 has 160 divisors (see below), whose sum is σ = 71245440. Its totient is φ = 6594048.

The previous prime is 22233733. The next prime is 22233779. The reversal of 22233744 is 44733222.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 207739 + ... + 207845.

It is an arithmetic number, because the mean of its divisors is an integer number (445284).

Almost surely, 2^22233744 is an apocalyptic number.

22233744 is a gapful number since it is divisible by the number (24) 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 22233744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35622720).

22233744 is an abundant number, since it is smaller than the sum of its proper divisors (49011696).

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

22233744 is a wasteful number, since it uses less digits than its factorization.

22233744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 162 counting only the distinct ones).

The product of its digits is 8064, while the sum is 27.

The square root of 22233744 is about 4715.2671186265. The cubic root of 22233744 is about 281.1928025909.

Adding to 22233744 its reverse (44733222), we get a palindrome (66966966).

The spelling of 22233744 in words is "twenty-two million, two hundred thirty-three thousand, seven hundred forty-four".