22146451151 has 4 divisors (see below), whose sum is σ = 24159764904. Its totient is φ = 20133137400.

The previous prime is 22146451147. The next prime is 22146451177. The reversal of 22146451151 is 15115464122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22146451151 - 2² = 22146451147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22146451651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1006656860 + ... + 1006656881.

It is an arithmetic number, because the mean of its divisors is an integer number (6039941226).

Almost surely, 2^22146451151 is an apocalyptic number.

22146451151 is a deficient number, since it is larger than the sum of its proper divisors (2013313753).

22146451151 is a wasteful number, since it uses less digits than its factorization.

22146451151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013313752.

The product of its digits is 9600, while the sum is 32.

The spelling of 22146451151 in words is "twenty-two billion, one hundred forty-six million, four hundred fifty-one thousand, one hundred fifty-one".