22421253011 has 4 divisors (see below), whose sum is σ = 22422769800. Its totient is φ = 22419736224.

The previous prime is 22421252981. The next prime is 22421253079. The reversal of 22421253011 is 11035212422.

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 22421253011 - 2¹⁰ = 22421251987 is a prime.

It is a super-2 number, since 2×22421253011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22421253311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 736001 + ... + 765858.

It is an arithmetic number, because the mean of its divisors is an integer number (5605692450).

Almost surely, 2^22421253011 is an apocalyptic number.

22421253011 is a deficient number, since it is larger than the sum of its proper divisors (1516789).

22421253011 is a wasteful number, since it uses less digits than its factorization.

22421253011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516788.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 22421253011 its reverse (11035212422), we get a palindrome (33456465433).

The spelling of 22421253011 in words is "twenty-two billion, four hundred twenty-one million, two hundred fifty-three thousand, eleven".