22434730 has 16 divisors (see below), whose sum is σ = 42758280. Its totient is φ = 8445952.

The previous prime is 22434701. The next prime is 22434733. The reversal of 22434730 is 3743422.

It can be written as a sum of positive squares in 4 ways, for example, as 16378209 + 6056521 = 4047^2 + 2461^2 .

It is a super-2 number, since 2×22434730² = 1006634220345800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22434695 and 22434704.

It is not an unprimeable number, because it can be changed into a prime (22434733) 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 7 ways as a sum of consecutive naturals, for example, 65815 + ... + 66154.

Almost surely, 2^22434730 is an apocalyptic number.

22434730 is a deficient number, since it is larger than the sum of its proper divisors (20323550).

22434730 is a wasteful number, since it uses less digits than its factorization.

22434730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131993.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 22434730 is about 4736.5314313324. The cubic root of 22434730 is about 282.0375601765.

The spelling of 22434730 in words is "twenty-two million, four hundred thirty-four thousand, seven hundred thirty".