22738434 has 8 divisors (see below), whose sum is σ = 45476880. Its totient is φ = 7579476.

The previous prime is 22738369. The next prime is 22738439. The reversal of 22738434 is 43483722.

It is a sphenic number, since it is the product of 3 distinct primes.

22738434 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 22738395 and 22738404.

It is not an unprimeable number, because it can be changed into a prime (22738439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1894864 + ... + 1894875.

It is an arithmetic number, because the mean of its divisors is an integer number (5684610).

Almost surely, 2^22738434 is an apocalyptic number.

22738434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22738434 is a wasteful number, since it uses less digits than its factorization.

22738434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3789744.

The product of its digits is 32256, while the sum is 33.

The square root of 22738434 is about 4768.4834067028. The cubic root of 22738434 is about 283.3045288672.

The spelling of 22738434 in words is "twenty-two million, seven hundred thirty-eight thousand, four hundred thirty-four".