22000378147 has 12 divisors (see below), whose sum is σ = 25604720568. Its totient is φ = 18823851200.

The previous prime is 22000378093. The next prime is 22000378187. The reversal of 22000378147 is 74187300022.

It is a de Polignac number, because none of the positive numbers 2^k-22000378147 is a prime.

It is a super-2 number, since 2×22000378147² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22000378187) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5345629 + ... + 5349742.

It is an arithmetic number, because the mean of its divisors is an integer number (2133726714).

Almost surely, 2^22000378147 is an apocalyptic number.

22000378147 is a deficient number, since it is larger than the sum of its proper divisors (3604342421).

22000378147 is a wasteful number, since it uses less digits than its factorization.

22000378147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10695410 (or 10695399 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

Adding to 22000378147 its reverse (74187300022), we get a palindrome (96187678169).

The spelling of 22000378147 in words is "twenty-two billion, three hundred seventy-eight thousand, one hundred forty-seven".