33224040149 has 2 divisors, whose sum is σ = 33224040150. Its totient is φ = 33224040148.

The previous prime is 33224040127. The next prime is 33224040277. The reversal of 33224040149 is 94104042233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29603611249 + 3620428900 = 172057^2 + 60170^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33224040149 is a prime.

It is a super-2 number, since 2×33224040149² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33224040349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16612020074 + 16612020075.

It is an arithmetic number, because the mean of its divisors is an integer number (16612020075).

Almost surely, 2^33224040149 is an apocalyptic number.

It is an amenable number.

33224040149 is a deficient number, since it is larger than the sum of its proper divisors (1).

33224040149 is an equidigital number, since it uses as much as digits as its factorization.

33224040149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 33224040149 in words is "thirty-three billion, two hundred twenty-four million, forty thousand, one hundred forty-nine".