3722821427 has 8 divisors (see below), whose sum is σ = 4032369264. Its totient is φ = 3416584608.

The previous prime is 3722821397. The next prime is 3722821429. The reversal of 3722821427 is 7241282273.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3722821427 - 2¹⁰ = 3722820403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3722821429) 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, 825413 + ... + 829910.

It is an arithmetic number, because the mean of its divisors is an integer number (504046158).

Almost surely, 2^3722821427 is an apocalyptic number.

3722821427 is a deficient number, since it is larger than the sum of its proper divisors (309547837).

3722821427 is a wasteful number, since it uses less digits than its factorization.

3722821427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655509.

The product of its digits is 75264, while the sum is 38.

The square root of 3722821427 is about 61014.9279029321. The cubic root of 3722821427 is about 1549.8538088969.

The spelling of 3722821427 in words is "three billion, seven hundred twenty-two million, eight hundred twenty-one thousand, four hundred twenty-seven".