960042221 has 4 divisors (see below), whose sum is σ = 965591772. Its totient is φ = 954492672.

The previous prime is 960042197. The next prime is 960042299. The reversal of 960042221 is 122240069.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 122240069 = 7 ⋅17462867.

It can be written as a sum of positive squares in 2 ways, for example, as 617274025 + 342768196 = 24845^2 + 18514^2 .

It is a cyclic number.

It is not a de Polignac number, because 960042221 - 2⁶ = 960042157 is a prime.

It is a super-2 number, since 2×960042221² = 1843362132205225682, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (960042121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2774516 + ... + 2774861.

It is an arithmetic number, because the mean of its divisors is an integer number (241397943).

Almost surely, 2^960042221 is an apocalyptic number.

It is an amenable number.

960042221 is a deficient number, since it is larger than the sum of its proper divisors (5549551).

960042221 is a wasteful number, since it uses less digits than its factorization.

960042221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5549550.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 960042221 is about 30984.5481006259. The cubic root of 960042221 is about 986.4992914563.

The spelling of 960042221 in words is "nine hundred sixty million, forty-two thousand, two hundred twenty-one".