22074012840 has 64 divisors (see below), whose sum is σ = 72242228160. Its totient is φ = 5351275520.

The previous prime is 22074012833. The next prime is 22074012841. The reversal of 22074012840 is 4821047022.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 22074012798 and 22074012807.

It is not an unprimeable number, because it can be changed into a prime (22074012841) 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 15 ways as a sum of consecutive naturals, for example, 8360049 + ... + 8362688.

It is an arithmetic number, because the mean of its divisors is an integer number (1128784815).

Almost surely, 2^22074012840 is an apocalyptic number.

22074012840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22074012840 is an abundant number, since it is smaller than the sum of its proper divisors (50168215320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22074012840 is a wasteful number, since it uses less digits than its factorization.

22074012840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16722762 (or 16722758 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 30.

Adding to 22074012840 its reverse (4821047022), we get a palindrome (26895059862).

The spelling of 22074012840 in words is "twenty-two billion, seventy-four million, twelve thousand, eight hundred forty".