22814145 has 24 divisors (see below), whose sum is σ = 39777192. Its totient is φ = 12096000.

The previous prime is 22814107. The next prime is 22814201. The reversal of 22814145 is 54141822.

It can be written as a sum of positive squares in 4 ways, for example, as 3969 + 22810176 = 63^2 + 4776^2 .

It is not a de Polignac number, because 22814145 - 2¹⁰ = 22813121 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, 6745 + ... + 9545.

It is an arithmetic number, because the mean of its divisors is an integer number (1657383).

Almost surely, 2^22814145 is an apocalyptic number.

It is an amenable number.

22814145 is a deficient number, since it is larger than the sum of its proper divisors (16963047).

22814145 is a wasteful number, since it uses less digits than its factorization.

22814145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2993 (or 2990 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 22814145 is about 4776.4154970019. The cubic root of 22814145 is about 283.6186153891.

Adding to 22814145 its reverse (54141822), we get a palindrome (76955967).

The spelling of 22814145 in words is "twenty-two million, eight hundred fourteen thousand, one hundred forty-five".