22838734 has 4 divisors (see below), whose sum is σ = 34258104. Its totient is φ = 11419366.

The previous prime is 22838729. The next prime is 22838737. The reversal of 22838734 is 43783822.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43783822 = 2 ⋅21891911.

It is a junction number, because it is equal to n+sod(n) for n = 22838693 and 22838702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22838737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5709682 + ... + 5709685.

It is an arithmetic number, because the mean of its divisors is an integer number (8564526).

Almost surely, 2^22838734 is an apocalyptic number.

22838734 is a deficient number, since it is larger than the sum of its proper divisors (11419370).

22838734 is a wasteful number, since it uses less digits than its factorization.

22838734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11419369.

The product of its digits is 64512, while the sum is 37.

The square root of 22838734 is about 4778.9888051763. The cubic root of 22838734 is about 283.7204731642.

The spelling of 22838734 in words is "twenty-two million, eight hundred thirty-eight thousand, seven hundred thirty-four".