22421151015 has 32 divisors (see below), whose sum is σ = 36908150016. Its totient is φ = 11618069760.

The previous prime is 22421151007. The next prime is 22421151037. The reversal of 22421151015 is 51015112422.

It is a happy number.

It is not a de Polignac number, because 22421151015 - 2³ = 22421151007 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79441 + ... + 226170.

It is an arithmetic number, because the mean of its divisors is an integer number (1153379688).

Almost surely, 2^22421151015 is an apocalyptic number.

22421151015 is a deficient number, since it is larger than the sum of its proper divisors (14486999001).

22421151015 is a wasteful number, since it uses less digits than its factorization.

22421151015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305759.

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 22421151015 its reverse (51015112422), we get a palindrome (73436263437).

The spelling of 22421151015 in words is "twenty-two billion, four hundred twenty-one million, one hundred fifty-one thousand, fifteen".