22073142472 has 16 divisors (see below), whose sum is σ = 41753401740. Its totient is φ = 10938902016.

The previous prime is 22073142467. The next prime is 22073142473. The reversal of 22073142472 is 27424137022.

It can be written as a sum of positive squares in 2 ways, for example, as 16356875236 + 5716267236 = 127894^2 + 75606^2 .

It is not an unprimeable number, because it can be changed into a prime (22073142473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12207693 + ... + 12209500.

Almost surely, 2^22073142472 is an apocalyptic number.

It is an amenable number.

22073142472 is a deficient number, since it is larger than the sum of its proper divisors (19680259268).

22073142472 is a wasteful number, since it uses less digits than its factorization.

22073142472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24417312 (or 24417308 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 34.

Adding to 22073142472 its reverse (27424137022), we get a palindrome (49497279494).

The spelling of 22073142472 in words is "twenty-two billion, seventy-three million, one hundred forty-two thousand, four hundred seventy-two".