22981435 has 4 divisors (see below), whose sum is σ = 27577728. Its totient is φ = 18385144.

The previous prime is 22981421. The next prime is 22981459. The reversal of 22981435 is 53418922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53418922 = 2 ⋅26709461.

It is a cyclic number.

It is not a de Polignac number, because 22981435 - 2¹¹ = 22979387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22981435.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2298139 + ... + 2298148.

It is an arithmetic number, because the mean of its divisors is an integer number (6894432).

Almost surely, 2^22981435 is an apocalyptic number.

22981435 is a deficient number, since it is larger than the sum of its proper divisors (4596293).

22981435 is an equidigital number, since it uses as much as digits as its factorization.

22981435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4596292.

The product of its digits is 17280, while the sum is 34.

The square root of 22981435 is about 4793.8955975282. The cubic root of 22981435 is about 284.3101608806.

The spelling of 22981435 in words is "twenty-two million, nine hundred eighty-one thousand, four hundred thirty-five".