11522222 has 8 divisors (see below), whose sum is σ = 17879400. Its totient is φ = 5562424.

The previous prime is 11522219. The next prime is 11522249. The reversal of 11522222 is 22222511.

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

11522222 is a modest number, since divided by 2222 gives 1152 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 11522222.

It is a congruent number.

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, 99272 + ... + 99387.

It is an arithmetic number, because the mean of its divisors is an integer number (2234925).

Almost surely, 2^11522222 is an apocalyptic number.

11522222 is a deficient number, since it is larger than the sum of its proper divisors (6357178).

11522222 is a wasteful number, since it uses less digits than its factorization.

11522222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198690.

The product of its digits is 160, while the sum is 17.

The square root of 11522222 is about 3394.4398654270. The cubic root of 11522222 is about 225.8631667067.

Adding to 11522222 its reverse (22222511), we get a palindrome (33744733).

The spelling of 11522222 in words is "eleven million, five hundred twenty-two thousand, two hundred twenty-two".