22145311029 has 16 divisors (see below), whose sum is σ = 29581688000. Its totient is φ = 14736266496.

The previous prime is 22145311009. The next prime is 22145311033. The reversal of 22145311029 is 92011354122.

It is not a de Polignac number, because 22145311029 - 2¹⁵ = 22145278261 is a prime.

It is a super-2 number, since 2×22145311029² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22145310987 and 22145311005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22145311009) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4686462 + ... + 4691184.

It is an arithmetic number, because the mean of its divisors is an integer number (1848855500).

Almost surely, 2^22145311029 is an apocalyptic number.

It is an amenable number.

22145311029 is a deficient number, since it is larger than the sum of its proper divisors (7436376971).

22145311029 is a wasteful number, since it uses less digits than its factorization.

22145311029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7284.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 22145311029 in words is "twenty-two billion, one hundred forty-five million, three hundred eleven thousand, twenty-nine".