2154226433 has 2 divisors, whose sum is σ = 2154226434. Its totient is φ = 2154226432.

The previous prime is 2154226429. The next prime is 2154226453. The reversal of 2154226433 is 3346224512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2015740609 + 138485824 = 44897^2 + 11768^2 .

It is a cyclic number.

It is not a de Polignac number, because 2154226433 - 2² = 2154226429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2154226433.

It is not a weakly prime, because it can be changed into another prime (2154226453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1077113216 + 1077113217.

It is an arithmetic number, because the mean of its divisors is an integer number (1077113217).

Almost surely, 2^2154226433 is an apocalyptic number.

It is an amenable number.

2154226433 is a deficient number, since it is larger than the sum of its proper divisors (1).

2154226433 is an equidigital number, since it uses as much as digits as its factorization.

2154226433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 32.

The square root of 2154226433 is about 46413.6449010418. The cubic root of 2154226433 is about 1291.5080480704.

The spelling of 2154226433 in words is "two billion, one hundred fifty-four million, two hundred twenty-six thousand, four hundred thirty-three".