22023235 has 24 divisors (see below), whose sum is σ = 29118960. Its totient is φ = 15979392.

The previous prime is 22023229. The next prime is 22023241. The reversal of 22023235 is 53232022.

It is an interprime number because it is at equal distance from previous prime (22023229) and next prime (22023241).

It is not a de Polignac number, because 22023235 - 2³ = 22023227 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56421 + ... + 56809.

It is an arithmetic number, because the mean of its divisors is an integer number (1213290).

Almost surely, 2^22023235 is an apocalyptic number.

22023235 is a deficient number, since it is larger than the sum of its proper divisors (7095725).

22023235 is a wasteful number, since it uses less digits than its factorization.

22023235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 22023235 is about 4692.8919655155. The cubic root of 22023235 is about 280.3025428795.

Adding to 22023235 its reverse (53232022), we get a palindrome (75255257).

The spelling of 22023235 in words is "twenty-two million, twenty-three thousand, two hundred thirty-five".