3610221442 has 4 divisors (see below), whose sum is σ = 5415332166. Its totient is φ = 1805110720.

The previous prime is 3610221389. The next prime is 3610221443. The reversal of 3610221442 is 2441220163.

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., 3148444321 + 461777121 = 56111^2 + 21489^2 .

It is not an unprimeable number, because it can be changed into a prime (3610221443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 902555359 + ... + 902555362.

Almost surely, 2^3610221442 is an apocalyptic number.

3610221442 is a deficient number, since it is larger than the sum of its proper divisors (1805110724).

3610221442 is a wasteful number, since it uses less digits than its factorization.

3610221442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805110723.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 3610221442 is about 60085.1183072814. The cubic root of 3610221442 is about 1534.0680103251.

The spelling of 3610221442 in words is "three billion, six hundred ten million, two hundred twenty-one thousand, four hundred forty-two".