11422005 has 32 divisors (see below), whose sum is σ = 21036288. Its totient is φ = 5184000.

The previous prime is 11421973. The next prime is 11422013. The reversal of 11422005 is 50022411.

11422005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11422005 - 2⁵ = 11421973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 18705 + ... + 19305.

It is an arithmetic number, because the mean of its divisors is an integer number (657384).

Almost surely, 2^11422005 is an apocalyptic number.

11422005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11422005 is a deficient number, since it is larger than the sum of its proper divisors (9614283).

11422005 is a wasteful number, since it uses less digits than its factorization.

11422005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 11422005 is about 3379.6456914890. The cubic root of 11422005 is about 225.2064278374.

Adding to 11422005 its reverse (50022411), we get a palindrome (61444416).

The spelling of 11422005 in words is "eleven million, four hundred twenty-two thousand, five".