22733516450 has 18 divisors (see below), whose sum is σ = 42286323729. Its totient is φ = 9092980120.

The previous prime is 22733516437. The next prime is 22733516467. The reversal of 22733516450 is 5461533722.

It can be written as a sum of positive squares in 2 ways, for example, as 22278846121 + 454670329 = 149261^2 + 21323^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=106615.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1055489 + ... + 1076811.

Almost surely, 2^22733516450 is an apocalyptic number.

22733516450 is a deficient number, since it is larger than the sum of its proper divisors (19552807279).

22733516450 is an frugal number, since it uses more digits than its factorization.

22733516450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42658 (or 21330 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 38.

The spelling of 22733516450 in words is "twenty-two billion, seven hundred thirty-three million, five hundred sixteen thousand, four hundred fifty".