22707243 has 16 divisors (see below), whose sum is σ = 36228640. Its totient is φ = 13973472.

The previous prime is 22707241. The next prime is 22707247. The reversal of 22707243 is 34270722.

It is not a de Polignac number, because 22707243 - 2¹ = 22707241 is a prime.

It is a super-2 number, since 2×22707243² = 1031237769322098, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22707241) 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, 31996 + ... + 32697.

It is an arithmetic number, because the mean of its divisors is an integer number (2264290).

Almost surely, 2^22707243 is an apocalyptic number.

22707243 is a deficient number, since it is larger than the sum of its proper divisors (13521397).

22707243 is a wasteful number, since it uses less digits than its factorization.

22707243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64715 (or 64709 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 22707243 is about 4765.2117476561. The cubic root of 22707243 is about 283.1749304511.

Adding to 22707243 its reverse (34270722), we get a palindrome (56977965).

It can be divided in two parts, 22707 and 243, that multiplied together give a square (5517801 = 2349²).

The spelling of 22707243 in words is "twenty-two million, seven hundred seven thousand, two hundred forty-three".