22152530501 has 4 divisors (see below), whose sum is σ = 22167469632. Its totient is φ = 22137591372.

The previous prime is 22152530473. The next prime is 22152530507. The reversal of 22152530501 is 10503525122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10503525122 = 2 ⋅5251762561.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22152530501 is a prime.

It is a super-2 number, since 2×22152530501² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22152530507) 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, 7467341 + ... + 7470306.

It is an arithmetic number, because the mean of its divisors is an integer number (5541867408).

Almost surely, 2^22152530501 is an apocalyptic number.

It is an amenable number.

22152530501 is a deficient number, since it is larger than the sum of its proper divisors (14939131).

22152530501 is a wasteful number, since it uses less digits than its factorization.

22152530501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14939130.

The product of its (nonzero) digits is 3000, while the sum is 26.

The spelling of 22152530501 in words is "twenty-two billion, one hundred fifty-two million, five hundred thirty thousand, five hundred one".