22460130 has 144 divisors (see below), whose sum is σ = 74265984. Its totient is φ = 4656960.

The previous prime is 22460107. The next prime is 22460131. The reversal of 22460130 is 3106422.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22460131) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 48279 + ... + 48741.

It is an arithmetic number, because the mean of its divisors is an integer number (515736).

Almost surely, 2^22460130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22460130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37132992).

22460130 is an abundant number, since it is smaller than the sum of its proper divisors (51805854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22460130 is a wasteful number, since it uses less digits than its factorization.

22460130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501 (or 491 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 22460130 is about 4739.2119598094. The cubic root of 22460130 is about 282.1439584883.

Adding to 22460130 its reverse (3106422), we get a palindrome (25566552).

The spelling of 22460130 in words is "twenty-two million, four hundred sixty thousand, one hundred thirty".