1801441722 has 16 divisors (see below), whose sum is σ = 3619042560. Its totient is φ = 597787392.

The previous prime is 1801441679. The next prime is 1801441753. The reversal of 1801441722 is 2271441081.

It is a self number, because there is not a number n which added to its sum of digits gives 1801441722.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 671847 + ... + 674522.

It is an arithmetic number, because the mean of its divisors is an integer number (226190160).

Almost surely, 2^1801441722 is an apocalyptic number.

1801441722 is an abundant number, since it is smaller than the sum of its proper divisors (1817600838).

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

1801441722 is a wasteful number, since it uses less digits than its factorization.

1801441722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346597.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 1801441722 is about 42443.3943270328. The cubic root of 1801441722 is about 1216.7650844596.

The spelling of 1801441722 in words is "one billion, eight hundred one million, four hundred forty-one thousand, seven hundred twenty-two".