3722002 has 4 divisors (see below), whose sum is σ = 5583006. Its totient is φ = 1861000.

The previous prime is 3721981. The next prime is 3722009. The reversal of 3722002 is 2002273.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3721041 + 961 = 1929^2 + 31^2 .

It is not an unprimeable number, because it can be changed into a prime (3722009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 930499 + ... + 930502.

Almost surely, 2^3722002 is an apocalyptic number.

3722002 is a deficient number, since it is larger than the sum of its proper divisors (1861004).

3722002 is a wasteful number, since it uses less digits than its factorization.

3722002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861003.

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 3722002 is about 1929.2490767135. The cubic root of 3722002 is about 154.9740088226.

Adding to 3722002 its reverse (2002273), we get a palindrome (5724275).

The spelling of 3722002 in words is "three million, seven hundred twenty-two thousand, two".