242213402253 has 16 divisors (see below), whose sum is σ = 331875322560. Its totient is φ = 157018692096.

The previous prime is 242213402251. The next prime is 242213402287. The reversal of 242213402253 is 352204312242.

It is not a de Polignac number, because 242213402253 - 2¹ = 242213402251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242213402253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242213402251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454563 + ... + 831296.

It is an arithmetic number, because the mean of its divisors is an integer number (20742207660).

Almost surely, 2^242213402253 is an apocalyptic number.

It is an amenable number.

242213402253 is a deficient number, since it is larger than the sum of its proper divisors (89661920307).

242213402253 is a wasteful number, since it uses less digits than its factorization.

242213402253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287596.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 242213402253 its reverse (352204312242), we get a palindrome (594417714495).

The spelling of 242213402253 in words is "two hundred forty-two billion, two hundred thirteen million, four hundred two thousand, two hundred fifty-three".