3531722 has 4 divisors (see below), whose sum is σ = 5297586. Its totient is φ = 1765860.

The previous prime is 3531713. The next prime is 3531727. The reversal of 3531722 is 2271353.

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., 2588881 + 942841 = 1609^2 + 971^2 .

It is not an unprimeable number, because it can be changed into a prime (3531727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 882929 + ... + 882932.

Almost surely, 2^3531722 is an apocalyptic number.

3531722 is a deficient number, since it is larger than the sum of its proper divisors (1765864).

3531722 is a wasteful number, since it uses less digits than its factorization.

3531722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765863.

The product of its digits is 1260, while the sum is 23.

The square root of 3531722 is about 1879.2876309921. The cubic root of 3531722 is about 152.2867681903.

The spelling of 3531722 in words is "three million, five hundred thirty-one thousand, seven hundred twenty-two".