22011351445 has 8 divisors (see below), whose sum is σ = 27265674240. Its totient is φ = 17041046160.

The previous prime is 22011351437. The next prime is 22011351491. The reversal of 22011351445 is 54415311022.

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

It is not a de Polignac number, because 22011351445 - 2³ = 22011351437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71004205 + ... + 71004514.

It is an arithmetic number, because the mean of its divisors is an integer number (3408209280).

Almost surely, 2^22011351445 is an apocalyptic number.

It is an amenable number.

22011351445 is a deficient number, since it is larger than the sum of its proper divisors (5254322795).

22011351445 is a wasteful number, since it uses less digits than its factorization.

22011351445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142008755.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 22011351445 its reverse (54415311022), we get a palindrome (76426662467).

The spelling of 22011351445 in words is "twenty-two billion, eleven million, three hundred fifty-one thousand, four hundred forty-five".