22025211533 has 4 divisors (see below), whose sum is σ = 23719458588. Its totient is φ = 20330964480.

The previous prime is 22025211497. The next prime is 22025211547. The reversal of 22025211533 is 33511252022.

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 3458968969 + 18566242564 = 58813^2 + 136258^2 .

It is a cyclic number.

It is not a de Polignac number, because 22025211533 - 2⁸ = 22025211277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22025211553) 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, 847123508 + ... + 847123533.

It is an arithmetic number, because the mean of its divisors is an integer number (5929864647).

Almost surely, 2^22025211533 is an apocalyptic number.

It is an amenable number.

22025211533 is a deficient number, since it is larger than the sum of its proper divisors (1694247055).

22025211533 is a wasteful number, since it uses less digits than its factorization.

22025211533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694247054.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 22025211533 its reverse (33511252022), we get a palindrome (55536463555).

The spelling of 22025211533 in words is "twenty-two billion, twenty-five million, two hundred eleven thousand, five hundred thirty-three".