22820435 has 16 divisors (see below), whose sum is σ = 30240000. Its totient is φ = 16393440.

The previous prime is 22820431. The next prime is 22820449. The reversal of 22820435 is 53402822.

It is not a de Polignac number, because 22820435 - 2² = 22820431 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22820431) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2066 + ... + 7064.

It is an arithmetic number, because the mean of its divisors is an integer number (1890000).

Almost surely, 2^22820435 is an apocalyptic number.

22820435 is a deficient number, since it is larger than the sum of its proper divisors (7419565).

22820435 is a wasteful number, since it uses less digits than its factorization.

22820435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5098.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 22820435 is about 4777.0738951789. The cubic root of 22820435 is about 283.6446781259.

The spelling of 22820435 in words is "twenty-two million, eight hundred twenty thousand, four hundred thirty-five".