1421841722 has 24 divisors (see below), whose sum is σ = 2561005440. Its totient is φ = 589702680.

The previous prime is 1421841721. The next prime is 1421841731. The reversal of 1421841722 is 2271481241.

It is a super-3 number, since 3×1421841722³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1421841721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 230972 + ... + 237047.

It is an arithmetic number, because the mean of its divisors is an integer number (106708560).

Almost surely, 2^1421841722 is an apocalyptic number.

1421841722 is a deficient number, since it is larger than the sum of its proper divisors (1139163718).

1421841722 is a wasteful number, since it uses less digits than its factorization.

1421841722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468066 (or 468059 counting only the distinct ones).

The product of its digits is 7168, while the sum is 32.

The square root of 1421841722 is about 37707.3165579308. The cubic root of 1421841722 is about 1124.4765886499.

The spelling of 1421841722 in words is "one billion, four hundred twenty-one million, eight hundred forty-one thousand, seven hundred twenty-two".