22623242 has 8 divisors (see below), whose sum is σ = 35029632. Its totient is φ = 10946700.

The previous prime is 22623241. The next prime is 22623257. The reversal of 22623242 is 24232622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22623242² = 1023622157181128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22623241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182384 + ... + 182507.

It is an arithmetic number, because the mean of its divisors is an integer number (4378704).

Almost surely, 2^22623242 is an apocalyptic number.

22623242 is a deficient number, since it is larger than the sum of its proper divisors (12406390).

22623242 is a wasteful number, since it uses less digits than its factorization.

22623242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364924.

The product of its digits is 2304, while the sum is 23.

The square root of 22623242 is about 4756.3895971630. The cubic root of 22623242 is about 282.8253155797.

Adding to 22623242 its reverse (24232622), we get a palindrome (46855864).

The spelling of 22623242 in words is "twenty-two million, six hundred twenty-three thousand, two hundred forty-two".