242220043 has 8 divisors (see below), whose sum is σ = 261975168. Its totient is φ = 222625344.

The previous prime is 242220031. The next prime is 242220067. The reversal of 242220043 is 340022242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242220043 - 2²¹ = 240122891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242220043.

It is not an unprimeable number, because it can be changed into a prime (242220943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36955 + ... + 43012.

It is an arithmetic number, because the mean of its divisors is an integer number (32746896).

Almost surely, 2^242220043 is an apocalyptic number.

242220043 is a deficient number, since it is larger than the sum of its proper divisors (19755125).

242220043 is a wasteful number, since it uses less digits than its factorization.

242220043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80213.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 242220043 is about 15563.4200290296. The cubic root of 242220043 is about 623.3567869073.

Adding to 242220043 its reverse (340022242), we get a palindrome (582242285).

The spelling of 242220043 in words is "two hundred forty-two million, two hundred twenty thousand, forty-three".