22372352073 has 6 divisors (see below), whose sum is σ = 32315619674. Its totient is φ = 14914901376.

The previous prime is 22372352069. The next prime is 22372352099. The reversal of 22372352073 is 37025327322.

22372352073 is a `hidden beast` number, since 2 + 237 + 2 + 352 + 0 + 73 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20847605769 + 1524746304 = 144387^2 + 39048^2 .

It is not a de Polignac number, because 22372352073 - 2² = 22372352069 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22372352033) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1242908440 + ... + 1242908457.

Almost surely, 2^22372352073 is an apocalyptic number.

It is an amenable number.

22372352073 is a deficient number, since it is larger than the sum of its proper divisors (9943267601).

22372352073 is a wasteful number, since it uses less digits than its factorization.

22372352073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2485816903 (or 2485816900 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 36.

Adding to 22372352073 its reverse (37025327322), we get a palindrome (59397679395).

The spelling of 22372352073 in words is "twenty-two billion, three hundred seventy-two million, three hundred fifty-two thousand, seventy-three".