22024345 has 16 divisors (see below), whose sum is σ = 30492288. Its totient is φ = 14958720.

The previous prime is 22024313. The next prime is 22024349. The reversal of 22024345 is 54342022.

22024345 = 85² + 86² + ... + 405².

It is not a de Polignac number, because 22024345 - 2⁵ = 22024313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22024349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 805 + ... + 6685.

It is an arithmetic number, because the mean of its divisors is an integer number (1905768).

Almost surely, 2^22024345 is an apocalyptic number.

It is an amenable number.

22024345 is a deficient number, since it is larger than the sum of its proper divisors (8467943).

22024345 is a wasteful number, since it uses less digits than its factorization.

22024345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6000.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 22024345 is about 4693.0102279880. The cubic root of 22024345 is about 280.3072520060.

Adding to 22024345 its reverse (54342022), we get a palindrome (76366367).

The spelling of 22024345 in words is "twenty-two million, twenty-four thousand, three hundred forty-five".