22612230 has 64 divisors (see below), whose sum is σ = 61041600. Its totient is φ = 5955840.

The previous prime is 22612229. The next prime is 22612241. The reversal of 22612230 is 3221622.

22612230 is a `hidden beast` number, since 22 + 612 + 2 + 30 = 666.

It is a super-2 number, since 2×22612230² = 1022625891145800, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23560 + ... + 24500.

It is an arithmetic number, because the mean of its divisors is an integer number (953775).

Almost surely, 2^22612230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22612230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30520800).

22612230 is an abundant number, since it is smaller than the sum of its proper divisors (38429370).

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

22612230 is a wasteful number, since it uses less digits than its factorization.

22612230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046 (or 1040 counting only the distinct ones).

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

The square root of 22612230 is about 4755.2318555461. The cubic root of 22612230 is about 282.7794191540.

Adding to 22612230 its reverse (3221622), we get a palindrome (25833852).

The spelling of 22612230 in words is "twenty-two million, six hundred twelve thousand, two hundred thirty".