22828738 has 4 divisors (see below), whose sum is σ = 34243110. Its totient is φ = 11414368.

The previous prime is 22828711. The next prime is 22828763. The reversal of 22828738 is 83782822.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17197609 + 5631129 = 4147^2 + 2373^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22828738.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5707183 + ... + 5707186.

Almost surely, 2^22828738 is an apocalyptic number.

22828738 is a deficient number, since it is larger than the sum of its proper divisors (11414372).

22828738 is a wasteful number, since it uses less digits than its factorization.

22828738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11414371.

The product of its digits is 86016, while the sum is 40.

The square root of 22828738 is about 4777.9428627810. The cubic root of 22828738 is about 283.6790744348.

The spelling of 22828738 in words is "twenty-two million, eight hundred twenty-eight thousand, seven hundred thirty-eight".