242254661 has 32 divisors (see below), whose sum is σ = 282597120. Its totient is φ = 205632000.

The previous prime is 242254633. The next prime is 242254667. The reversal of 242254661 is 166452242.

It is a cyclic number.

It is not a de Polignac number, because 242254661 - 2²⁶ = 175145797 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 (242254667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2351936 + ... + 2352038.

It is an arithmetic number, because the mean of its divisors is an integer number (8831160).

Almost surely, 2^242254661 is an apocalyptic number.

It is an amenable number.

242254661 is a deficient number, since it is larger than the sum of its proper divisors (40342459).

242254661 is a wasteful number, since it uses less digits than its factorization.

242254661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317.

The product of its digits is 23040, while the sum is 32.

The square root of 242254661 is about 15564.5321484457. The cubic root of 242254661 is about 623.3864821341.

The spelling of 242254661 in words is "two hundred forty-two million, two hundred fifty-four thousand, six hundred sixty-one".