3752106221 has 8 divisors (see below), whose sum is σ = 3831632640. Its totient is φ = 3672903312.

The previous prime is 3752106131. The next prime is 3752106251. The reversal of 3752106221 is 1226012573.

It is a happy number.

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 3752106221 - 2¹⁰ = 3752105197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3752106251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57365 + ... + 103898.

It is an arithmetic number, because the mean of its divisors is an integer number (478954080).

Almost surely, 2^3752106221 is an apocalyptic number.

It is an amenable number.

3752106221 is a deficient number, since it is larger than the sum of its proper divisors (79526419).

3752106221 is a wasteful number, since it uses less digits than its factorization.

3752106221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161755.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 3752106221 is about 61254.4383779657. The cubic root of 3752106221 is about 1553.9070660203.

Adding to 3752106221 its reverse (1226012573), we get a palindrome (4978118794).

The spelling of 3752106221 in words is "three billion, seven hundred fifty-two million, one hundred six thousand, two hundred twenty-one".