1836226501 has 2 divisors, whose sum is σ = 1836226502. Its totient is φ = 1836226500.

The previous prime is 1836226471. The next prime is 1836226507. The reversal of 1836226501 is 1056226381.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1513988100 + 322238401 = 38910^2 + 17951^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1836226501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1836226507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 918113250 + 918113251.

It is an arithmetic number, because the mean of its divisors is an integer number (918113251).

Almost surely, 2^1836226501 is an apocalyptic number.

It is an amenable number.

1836226501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1836226501 is an equidigital number, since it uses as much as digits as its factorization.

1836226501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 1836226501 is about 42851.2135300740. The cubic root of 1836226501 is about 1224.5468824787.

The spelling of 1836226501 in words is "one billion, eight hundred thirty-six million, two hundred twenty-six thousand, five hundred one".