22480442 has 4 divisors (see below), whose sum is σ = 33720666. Its totient is φ = 11240220.

The previous prime is 22480441. The next prime is 22480457. The reversal of 22480442 is 24408422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24408422 = 2 ⋅12204211.

It can be written as a sum of positive squares in only one way, i.e., 13830961 + 8649481 = 3719^2 + 2941^2 .

It is not an unprimeable number, because it can be changed into a prime (22480441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5620109 + ... + 5620112.

Almost surely, 2^22480442 is an apocalyptic number.

22480442 is a deficient number, since it is larger than the sum of its proper divisors (11240224).

22480442 is a wasteful number, since it uses less digits than its factorization.

22480442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11240223.

The product of its (nonzero) digits is 4096, while the sum is 26.

The square root of 22480442 is about 4741.3544478345. The cubic root of 22480442 is about 282.2289859177.

Adding to 22480442 its reverse (24408422), we get a palindrome (46888864).

It can be divided in two parts, 22480 and 442, that added together give a palindrome (22922).

The spelling of 22480442 in words is "twenty-two million, four hundred eighty thousand, four hundred forty-two".