3750222 has 32 divisors (see below), whose sum is σ = 8870400. Its totient is φ = 1034208.

The previous prime is 3750221. The next prime is 3750223. The reversal of 3750222 is 2220573.

It is an interprime number because it is at equal distance from previous prime (3750221) and next prime (3750223).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3750221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322 + ... + 2757.

It is an arithmetic number, because the mean of its divisors is an integer number (277200).

Almost surely, 2^3750222 is an apocalyptic number.

3750222 is an abundant number, since it is smaller than the sum of its proper divisors (5120178).

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

3750222 is a wasteful number, since it uses less digits than its factorization.

3750222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3120.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 3750222 is about 1936.5489924089. The cubic root of 3750222 is about 155.3646910399.

Adding to 3750222 its reverse (2220573), we get a palindrome (5970795).

The spelling of 3750222 in words is "three million, seven hundred fifty thousand, two hundred twenty-two".