3722401 has 4 divisors (see below), whose sum is σ = 3769600. Its totient is φ = 3675204.

The previous prime is 3722393. The next prime is 3722413. The reversal of 3722401 is 1042273.

3722401 = T₄₅ + T₄₆ + ... + T₂₈₁.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3722401 - 2³ = 3722393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3722491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23481 + ... + 23638.

It is an arithmetic number, because the mean of its divisors is an integer number (942400).

Almost surely, 2^3722401 is an apocalyptic number.

It is an amenable number.

3722401 is a deficient number, since it is larger than the sum of its proper divisors (47199).

3722401 is an equidigital number, since it uses as much as digits as its factorization.

3722401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47198.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 3722401 is about 1929.3524820519. The cubic root of 3722401 is about 154.9795463819.

Adding to 3722401 its reverse (1042273), we get a palindrome (4764674).

The spelling of 3722401 in words is "three million, seven hundred twenty-two thousand, four hundred one".