242240022 has 36 divisors (see below), whose sum is σ = 531129300. Its totient is φ = 79792416.

The previous prime is 242239997. The next prime is 242240039. The reversal of 242240022 is 220042242.

242240022 is a `hidden beast` number, since 242 + 2 + 400 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 242239977 and 242240004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 141729 + ... + 143427.

Almost surely, 2^242240022 is an apocalyptic number.

242240022 is an abundant number, since it is smaller than the sum of its proper divisors (288889278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242240022 is a wasteful number, since it uses less digits than its factorization.

242240022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885 (or 1793 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 242240022 is about 15564.0618734314. The cubic root of 242240022 is about 623.3739251847.

Adding to 242240022 its reverse (220042242), we get a palindrome (462282264).

The spelling of 242240022 in words is "two hundred forty-two million, two hundred forty thousand, twenty-two".