22213021145 has 8 divisors (see below), whose sum is σ = 30463571904. Its totient is φ = 15231785904.

The previous prime is 22213021099. The next prime is 22213021147. The reversal of 22213021145 is 54112031222.

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

It is a cyclic number.

It is not a de Polignac number, because 22213021145 - 2¹⁴ = 22213004761 is a prime.

It is a super-2 number, since 2×22213021145² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22213021145.

It is not an unprimeable number, because it can be changed into a prime (22213021147) 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, 317328839 + ... + 317328908.

It is an arithmetic number, because the mean of its divisors is an integer number (3807946488).

Almost surely, 2^22213021145 is an apocalyptic number.

It is an amenable number.

22213021145 is a deficient number, since it is larger than the sum of its proper divisors (8250550759).

22213021145 is an equidigital number, since it uses as much as digits as its factorization.

22213021145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634657759.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 22213021145 its reverse (54112031222), we get a palindrome (76325052367).

The spelling of 22213021145 in words is "twenty-two billion, two hundred thirteen million, twenty-one thousand, one hundred forty-five".