22198450 has 48 divisors (see below), whose sum is σ = 43747200. Its totient is φ = 8363520.

The previous prime is 22198411. The next prime is 22198453. The reversal of 22198450 is 5489122.

It is not an unprimeable number, because it can be changed into a prime (22198453) 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, 111451 + ... + 111649.

It is an arithmetic number, because the mean of its divisors is an integer number (911400).

Almost surely, 2^22198450 is an apocalyptic number.

22198450 is a deficient number, since it is larger than the sum of its proper divisors (21548750).

22198450 is a wasteful number, since it uses less digits than its factorization.

22198450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 22198450 is about 4711.5231082952. The cubic root of 22198450 is about 281.0439346543.

The spelling of 22198450 in words is "twenty-two million, one hundred ninety-eight thousand, four hundred fifty".