1801223148 has 24 divisors (see below), whose sum is σ = 4209661120. Its totient is φ = 599435280.

The previous prime is 1801223143. The next prime is 1801223153. The reversal of 1801223148 is 8413221081.

It is an interprime number because it is at equal distance from previous prime (1801223143) and next prime (1801223153).

It is not an unprimeable number, because it can be changed into a prime (1801223141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113818 + ... + 128673.

Almost surely, 2^1801223148 is an apocalyptic number.

It is an amenable number.

1801223148 is an abundant number, since it is smaller than the sum of its proper divisors (2408437972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1801223148 is a wasteful number, since it uses less digits than its factorization.

1801223148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243117 (or 243115 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 1801223148 is about 42440.8193606108. The cubic root of 1801223148 is about 1216.7158712904.

The spelling of 1801223148 in words is "one billion, eight hundred one million, two hundred twenty-three thousand, one hundred forty-eight".