22001022151 has 2 divisors, whose sum is σ = 22001022152. Its totient is φ = 22001022150.

The previous prime is 22001022079. The next prime is 22001022157. The reversal of 22001022151 is 15122010022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22001022151 - 2⁹ = 22001021639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22001022157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000511075 + 11000511076.

It is an arithmetic number, because the mean of its divisors is an integer number (11000511076).

Almost surely, 2^22001022151 is an apocalyptic number.

22001022151 is a deficient number, since it is larger than the sum of its proper divisors (1).

22001022151 is an equidigital number, since it uses as much as digits as its factorization.

22001022151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 22001022151 its reverse (15122010022), we get a palindrome (37123032173).

The spelling of 22001022151 in words is "twenty-two billion, one million, twenty-two thousand, one hundred fifty-one".