22047471045 has 12 divisors (see below), whose sum is σ = 38215616556. Its totient is φ = 11758651200.

The previous prime is 22047471041. The next prime is 22047471049. The reversal of 22047471045 is 54017474022.

It is an interprime number because it is at equal distance from previous prime (22047471041) and next prime (22047471049).

It can be written as a sum of positive squares in 2 ways, for example, as 9647757729 + 12399713316 = 98223^2 + 111354^2 .

It is not a de Polignac number, because 22047471045 - 2² = 22047471041 is a prime.

It is a super-2 number, since 2×22047471045² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22047471041) 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, 244971856 + ... + 244971945.

It is an arithmetic number, because the mean of its divisors is an integer number (3184634713).

Almost surely, 2^22047471045 is an apocalyptic number.

It is an amenable number.

22047471045 is a deficient number, since it is larger than the sum of its proper divisors (16168145511).

22047471045 is a wasteful number, since it uses less digits than its factorization.

22047471045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489943812 (or 489943809 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 36.

The spelling of 22047471045 in words is "twenty-two billion, forty-seven million, four hundred seventy-one thousand, forty-five".