22061440332433 has 4 divisors (see below), whose sum is σ = 22063237317940. Its totient is φ = 22059643346928.

The previous prime is 22061440332389. The next prime is 22061440332457. The reversal of 22061440332433 is 33423304416022.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1429060057489 + 20632380274944 = 1195433^2 + 4542288^2 .

It is a cyclic number.

It is not a de Polignac number, because 22061440332433 - 2²⁵ = 22061406778001 is a prime.

It is a super-4 number, since 4×22061440332433⁴ (a number of 54 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22061440332392 and 22061440332401.

It is not an unprimeable number, because it can be changed into a prime (22061440332733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 898474338 + ... + 898498891.

It is an arithmetic number, because the mean of its divisors is an integer number (5515809329485).

Almost surely, 2^{22061440332433} is an apocalyptic number.

It is an amenable number.

22061440332433 is a deficient number, since it is larger than the sum of its proper divisors (1796985507).

22061440332433 is a wasteful number, since it uses less digits than its factorization.

22061440332433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796985506.

The product of its (nonzero) digits is 248832, while the sum is 37.

Adding to 22061440332433 its reverse (33423304416022), we get a palindrome (55484744748455).

The spelling of 22061440332433 in words is "twenty-two trillion, sixty-one billion, four hundred forty million, three hundred thirty-two thousand, four hundred thirty-three".