22155030023 has 8 divisors (see below), whose sum is σ = 25337544192. Its totient is φ = 18976893336.

The previous prime is 22155030019. The next prime is 22155030031. The reversal of 22155030023 is 32003055122.

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 22155030023 - 2² = 22155030019 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 (22155030013) 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, 1083515 + ... + 1103772.

It is an arithmetic number, because the mean of its divisors is an integer number (3167193024).

Almost surely, 2^22155030023 is an apocalyptic number.

22155030023 is a deficient number, since it is larger than the sum of its proper divisors (3182514169).

22155030023 is a wasteful number, since it uses less digits than its factorization.

22155030023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188741.

The product of its (nonzero) digits is 1800, while the sum is 23.

Adding to 22155030023 its reverse (32003055122), we get a palindrome (54158085145).

The spelling of 22155030023 in words is "twenty-two billion, one hundred fifty-five million, thirty thousand, twenty-three".