22153020015 has 16 divisors (see below), whose sum is σ = 40508379648. Its totient is φ = 10127094816.

The previous prime is 22153020011. The next prime is 22153020023. The reversal of 22153020015 is 51002035122.

It is not a de Polignac number, because 22153020015 - 2² = 22153020011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 22153019973 and 22153020000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22153020011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105490467 + ... + 105490676.

It is an arithmetic number, because the mean of its divisors is an integer number (2531773728).

Almost surely, 2^22153020015 is an apocalyptic number.

22153020015 is a deficient number, since it is larger than the sum of its proper divisors (18355359633).

22153020015 is a wasteful number, since it uses less digits than its factorization.

22153020015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210981158.

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 22153020015 its reverse (51002035122), we get a palindrome (73155055137).

The spelling of 22153020015 in words is "twenty-two billion, one hundred fifty-three million, twenty thousand, fifteen".