11422207 has 4 divisors (see below), whose sum is σ = 11451960. Its totient is φ = 11392456.

The previous prime is 11422193. The next prime is 11422217. The reversal of 11422207 is 70222411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11422207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11422217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14293 + ... + 15070.

It is an arithmetic number, because the mean of its divisors is an integer number (2862990).

Almost surely, 2^11422207 is an apocalyptic number.

11422207 is a deficient number, since it is larger than the sum of its proper divisors (29753).

11422207 is an equidigital number, since it uses as much as digits as its factorization.

11422207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29752.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 11422207 is about 3379.6755761463. The cubic root of 11422207 is about 225.2077554335.

Adding to 11422207 its reverse (70222411), we get a palindrome (81644618).

The spelling of 11422207 in words is "eleven million, four hundred twenty-two thousand, two hundred seven".