22040435 has 8 divisors (see below), whose sum is σ = 27360720. Its totient is φ = 17024224.

The previous prime is 22040429. The next prime is 22040441. The reversal of 22040435 is 53404022.

It is an interprime number because it is at equal distance from previous prime (22040429) and next prime (22040441).

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

It is a cyclic number.

It is not a de Polignac number, because 22040435 - 2¹⁶ = 21974899 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75857 + ... + 76146.

It is an arithmetic number, because the mean of its divisors is an integer number (3420090).

Almost surely, 2^22040435 is an apocalyptic number.

22040435 is a deficient number, since it is larger than the sum of its proper divisors (5320285).

22040435 is a wasteful number, since it uses less digits than its factorization.

22040435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152037.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 22040435 is about 4694.7241665512. The cubic root of 22040435 is about 280.3754953647.

Adding to 22040435 its reverse (53404022), we get a palindrome (75444457).

The spelling of 22040435 in words is "twenty-two million, forty thousand, four hundred thirty-five".