22545130 has 8 divisors (see below), whose sum is σ = 40581252. Its totient is φ = 9018048.

The previous prime is 22545113. The next prime is 22545143. The reversal of 22545130 is 3154522.

It can be written as a sum of positive squares in 2 ways, for example, as 21169201 + 1375929 = 4601^2 + 1173^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1127247 + ... + 1127266.

Almost surely, 2^22545130 is an apocalyptic number.

22545130 is a deficient number, since it is larger than the sum of its proper divisors (18036122).

22545130 is a wasteful number, since it uses less digits than its factorization.

22545130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2254520.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 22545130 is about 4748.1712269041. The cubic root of 22545130 is about 282.4994335228.

Adding to 22545130 its reverse (3154522), we get a palindrome (25699652).

The spelling of 22545130 in words is "twenty-two million, five hundred forty-five thousand, one hundred thirty".