22481350 has 48 divisors (see below), whose sum is σ = 44273952. Its totient is φ = 8476160.

The previous prime is 22481341. The next prime is 22481357. The reversal of 22481350 is 5318422.

It is a super-2 number, since 2×22481350² = 1010822195645000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22481357) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129864 + ... + 130036.

It is an arithmetic number, because the mean of its divisors is an integer number (922374).

Almost surely, 2^22481350 is an apocalyptic number.

22481350 is a deficient number, since it is larger than the sum of its proper divisors (21792602).

22481350 is a wasteful number, since it uses less digits than its factorization.

22481350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 22481350 is about 4741.4502000970. The cubic root of 22481350 is about 282.2327856720.

Adding to 22481350 its reverse (5318422), we get a palindrome (27799772).

The spelling of 22481350 in words is "twenty-two million, four hundred eighty-one thousand, three hundred fifty".