11422451 has 2 divisors, whose sum is σ = 11422452. Its totient is φ = 11422450.

The previous prime is 11422427. The next prime is 11422471. The reversal of 11422451 is 15422411.

It is a happy number.

It is an a-pointer prime, because the next prime (11422471) can be obtained adding 11422451 to its sum of digits (20).

It is a strong prime.

It is an emirp because it is prime and its reverse (15422411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11422451 - 2⁶ = 11422387 is a prime.

It is a super-3 number, since 3×11422451³ (a number of 22 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11422471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5711225 + 5711226.

It is an arithmetic number, because the mean of its divisors is an integer number (5711226).

Almost surely, 2^11422451 is an apocalyptic number.

11422451 is a deficient number, since it is larger than the sum of its proper divisors (1).

11422451 is an equidigital number, since it uses as much as digits as its factorization.

11422451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 320, while the sum is 20.

The square root of 11422451 is about 3379.7116740929. The cubic root of 11422451 is about 225.2093590437.

Adding to 11422451 its reverse (15422411), we get a palindrome (26844862).

The spelling of 11422451 in words is "eleven million, four hundred twenty-two thousand, four hundred fifty-one".