22145021334 has 12 divisors (see below), whose sum is σ = 47980879596. Its totient is φ = 7381673772.

The previous prime is 22145021329. The next prime is 22145021411. The reversal of 22145021334 is 43312054122.

22145021334 is a `hidden beast` number, since 2 + 21 + 4 + 502 + 133 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 22145021298 and 22145021307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 615139464 + ... + 615139499.

It is an arithmetic number, because the mean of its divisors is an integer number (3998406633).

Almost surely, 2^22145021334 is an apocalyptic number.

22145021334 is an abundant number, since it is smaller than the sum of its proper divisors (25835858262).

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

22145021334 is a wasteful number, since it uses less digits than its factorization.

22145021334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230278971 (or 1230278968 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 22145021334 its reverse (43312054122), we get a palindrome (65457075456).

The spelling of 22145021334 in words is "twenty-two billion, one hundred forty-five million, twenty-one thousand, three hundred thirty-four".