22151411 has 2 divisors, whose sum is σ = 22151412. Its totient is φ = 22151410.

The previous prime is 22151281. The next prime is 22151417. The reversal of 22151411 is 11415122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22151411 - 2¹⁸ = 21889267 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22151411.

It is not a weakly prime, because it can be changed into another prime (22151417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11075705 + 11075706.

It is an arithmetic number, because the mean of its divisors is an integer number (11075706).

Almost surely, 2^22151411 is an apocalyptic number.

22151411 is a deficient number, since it is larger than the sum of its proper divisors (1).

22151411 is an equidigital number, since it uses as much as digits as its factorization.

22151411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80, while the sum is 17.

The square root of 22151411 is about 4706.5285508536. The cubic root of 22151411 is about 280.8452815277.

Adding to 22151411 its reverse (11415122), we get a palindrome (33566533).

The spelling of 22151411 in words is "twenty-two million, one hundred fifty-one thousand, four hundred eleven".