22022012019 has 32 divisors (see below), whose sum is σ = 34155072000. Its totient is φ = 12360225024.

The previous prime is 22022012017. The next prime is 22022012057. The reversal of 22022012019 is 91021022022.

It is a happy number.

It is not a de Polignac number, because 22022012019 - 2¹ = 22022012017 is a prime.

It is a super-2 number, since 2×22022012019² (a number of 21 digits) contains 22 as substring.

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 = 22022011986 and 22022012004.

It is not an unprimeable number, because it can be changed into a prime (22022012017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1590177 + ... + 1603965.

It is an arithmetic number, because the mean of its divisors is an integer number (1067346000).

Almost surely, 2^22022012019 is an apocalyptic number.

22022012019 is a deficient number, since it is larger than the sum of its proper divisors (12133059981).

22022012019 is a wasteful number, since it uses less digits than its factorization.

22022012019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15147.

The product of its (nonzero) digits is 288, while the sum is 21.

The spelling of 22022012019 in words is "twenty-two billion, twenty-two million, twelve thousand, nineteen".