1802225633 has 6 divisors (see below), whose sum is σ = 1951522614. Its totient is φ = 1663592736.

The previous prime is 1802225629. The next prime is 1802225653. The reversal of 1802225633 is 3365222081.

It can be written as a sum of positive squares in 3 ways, for example, as 27541504 + 1774684129 = 5248^2 + 42127^2 .

It is not a de Polignac number, because 1802225633 - 2² = 1802225629 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1802225633.

It is not an unprimeable number, because it can be changed into a prime (1802225603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5331860 + ... + 5332197.

It is an arithmetic number, because the mean of its divisors is an integer number (325253769).

Almost surely, 2^1802225633 is an apocalyptic number.

1802225633 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1802225633 is a deficient number, since it is larger than the sum of its proper divisors (149296981).

1802225633 is a wasteful number, since it uses less digits than its factorization.

1802225633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10664083 (or 10664070 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1802225633 is about 42452.6281047475. The cubic root of 1802225633 is about 1216.9415537100.

The spelling of 1802225633 in words is "one billion, eight hundred two million, two hundred twenty-five thousand, six hundred thirty-three".