22221148351 has 2 divisors, whose sum is σ = 22221148352. Its totient is φ = 22221148350.

The previous prime is 22221148321. The next prime is 22221148379. The reversal of 22221148351 is 15384112222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22221148351 - 2⁵ = 22221148319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22221148321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110574175 + 11110574176.

It is an arithmetic number, because the mean of its divisors is an integer number (11110574176).

Almost surely, 2^22221148351 is an apocalyptic number.

22221148351 is a deficient number, since it is larger than the sum of its proper divisors (1).

22221148351 is an equidigital number, since it uses as much as digits as its factorization.

22221148351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7680, while the sum is 31.

The spelling of 22221148351 in words is "twenty-two billion, two hundred twenty-one million, one hundred forty-eight thousand, three hundred fifty-one".