22220142015 has 8 divisors (see below), whose sum is σ = 35552227248. Its totient is φ = 11850742400.

The previous prime is 22220142001. The next prime is 22220142017. The reversal of 22220142015 is 51024102222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22220142015 - 2¹³ = 22220133823 is a prime.

It is a super-2 number, since 2×22220142015² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22220141982 and 22220142000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220142017) 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, 740671386 + ... + 740671415.

It is an arithmetic number, because the mean of its divisors is an integer number (4444028406).

Almost surely, 2^22220142015 is an apocalyptic number.

22220142015 is a deficient number, since it is larger than the sum of its proper divisors (13332085233).

22220142015 is a wasteful number, since it uses less digits than its factorization.

22220142015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481342809.

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 22220142015 its reverse (51024102222), we get a palindrome (73244244237).

The spelling of 22220142015 in words is "twenty-two billion, two hundred twenty million, one hundred forty-two thousand, fifteen".