22245130 has 8 divisors (see below), whose sum is σ = 40041252. Its totient is φ = 8898048.

The previous prime is 22245127. The next prime is 22245131. The reversal of 22245130 is 3154222.

It can be written as a sum of positive squares in 2 ways, for example, as 22212369 + 32761 = 4713^2 + 181^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 22245098 and 22245107.

It is not an unprimeable number, because it can be changed into a prime (22245131) 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 3 ways as a sum of consecutive naturals, for example, 1112247 + ... + 1112266.

Almost surely, 2^22245130 is an apocalyptic number.

22245130 is a deficient number, since it is larger than the sum of its proper divisors (17796122).

22245130 is a wasteful number, since it uses less digits than its factorization.

22245130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224520.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 22245130 is about 4716.4743188106. The cubic root of 22245130 is about 281.2407944312.

Adding to 22245130 its reverse (3154222), we get a palindrome (25399352).

The spelling of 22245130 in words is "twenty-two million, two hundred forty-five thousand, one hundred thirty".