11222730 has 48 divisors (see below), whose sum is σ = 30719520. Its totient is φ = 2834784.

The previous prime is 11222693. The next prime is 11222741. The reversal of 11222730 is 3722211.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1572 + ... + 4991.

It is an arithmetic number, because the mean of its divisors is an integer number (639990).

Almost surely, 2^11222730 is an apocalyptic number.

11222730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11222730 is an abundant number, since it is smaller than the sum of its proper divisors (19496790).

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

11222730 is a wasteful number, since it uses less digits than its factorization.

11222730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6595 (or 6592 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 11222730 is about 3350.0343281823. The cubic root of 11222730 is about 223.8890420914.

Adding to 11222730 its reverse (3722211), we get a palindrome (14944941).

The spelling of 11222730 in words is "eleven million, two hundred twenty-two thousand, seven hundred thirty".