22201451 has 2 divisors, whose sum is σ = 22201452. Its totient is φ = 22201450.

The previous prime is 22201429. The next prime is 22201453. The reversal of 22201451 is 15410222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22201451 is a prime.

Together with 22201453, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22201453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100725 + 11100726.

It is an arithmetic number, because the mean of its divisors is an integer number (11100726).

Almost surely, 2^22201451 is an apocalyptic number.

22201451 is a deficient number, since it is larger than the sum of its proper divisors (1).

22201451 is an equidigital number, since it uses as much as digits as its factorization.

22201451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 22201451 is about 4711.8415720395. The cubic root of 22201451 is about 281.0565988244.

Adding to 22201451 its reverse (15410222), we get a palindrome (37611673).

The spelling of 22201451 in words is "twenty-two million, two hundred one thousand, four hundred fifty-one".