22442122011 has 8 divisors (see below), whose sum is σ = 30079494144. Its totient is φ = 14883082280.

The previous prime is 22442121971. The next prime is 22442122013. The reversal of 22442122011 is 11022124422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22442122011 - 2¹⁴ = 22442105627 is a prime.

It is a super-2 number, since 2×22442122011² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22442122013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19582431 + ... + 19583576.

It is an arithmetic number, because the mean of its divisors is an integer number (3759936768).

Almost surely, 2^22442122011 is an apocalyptic number.

22442122011 is a deficient number, since it is larger than the sum of its proper divisors (7637372133).

22442122011 is a wasteful number, since it uses less digits than its factorization.

22442122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39166201.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 22442122011 its reverse (11022124422), we get a palindrome (33464246433).

It can be divided in two parts, 22442 and 122011, that added together give a triangular number (144453 = T₅₃₇).

The spelling of 22442122011 in words is "twenty-two billion, four hundred forty-two million, one hundred twenty-two thousand, eleven".