22223474 has 32 divisors (see below), whose sum is σ = 42819840. Its totient is φ = 8407872.

The previous prime is 22223473. The next prime is 22223477. The reversal of 22223474 is 47432222.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22223473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1532 + ... + 6840.

It is an arithmetic number, because the mean of its divisors is an integer number (1338120).

Almost surely, 2^22223474 is an apocalyptic number.

22223474 is a deficient number, since it is larger than the sum of its proper divisors (20596366).

22223474 is a wasteful number, since it uses less digits than its factorization.

22223474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5354.

The product of its digits is 5376, while the sum is 26.

The square root of 22223474 is about 4714.1779771239. The cubic root of 22223474 is about 281.1495006195.

Adding to 22223474 its reverse (47432222), we get a palindrome (69655696).

The spelling of 22223474 in words is "twenty-two million, two hundred twenty-three thousand, four hundred seventy-four".