11422997 has 4 divisors (see below), whose sum is σ = 12094956. Its totient is φ = 10751040.

The previous prime is 11422991. The next prime is 11423003. The reversal of 11422997 is 79922411.

11422997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79922411 = 101 ⋅791311.

It is an interprime number because it is at equal distance from previous prime (11422991) and next prime (11423003).

It can be written as a sum of positive squares in 2 ways, for example, as 6220036 + 5202961 = 2494^2 + 2281^2 .

It is a cyclic number.

It is not a de Polignac number, because 11422997 - 2¹⁰ = 11421973 is a prime.

It is a super-5 number, since 5×11422997⁵ (a number of 36 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11422991) 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, 335954 + ... + 335987.

It is an arithmetic number, because the mean of its divisors is an integer number (3023739).

Almost surely, 2^11422997 is an apocalyptic number.

11422997 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11422997 is a deficient number, since it is larger than the sum of its proper divisors (671959).

11422997 is an equidigital number, since it uses as much as digits as its factorization.

11422997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671958.

The product of its digits is 9072, while the sum is 35.

The square root of 11422997 is about 3379.7924492489. The cubic root of 11422997 is about 225.2129473673.

The spelling of 11422997 in words is "eleven million, four hundred twenty-two thousand, nine hundred ninety-seven".