22036451 has 2 divisors, whose sum is σ = 22036452. Its totient is φ = 22036450.

The previous prime is 22036411. The next prime is 22036457. The reversal of 22036451 is 15463022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22036451 - 2⁶ = 22036387 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22036457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11018225 + 11018226.

It is an arithmetic number, because the mean of its divisors is an integer number (11018226).

Almost surely, 2^22036451 is an apocalyptic number.

22036451 is a deficient number, since it is larger than the sum of its proper divisors (1).

22036451 is an equidigital number, since it uses as much as digits as its factorization.

22036451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 22036451 is about 4694.2998412969. The cubic root of 22036451 is about 280.3586009116.

Adding to 22036451 its reverse (15463022), we get a palindrome (37499473).

The spelling of 22036451 in words is "twenty-two million, thirty-six thousand, four hundred fifty-one".