203522242 has 48 divisors (see below), whose sum is σ = 385721280. Its totient is φ = 78835680.

The previous prime is 203522233. The next prime is 203522269. The reversal of 203522242 is 242225302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 536809 + ... + 537187.

It is an arithmetic number, because the mean of its divisors is an integer number (8035860).

Almost surely, 2^203522242 is an apocalyptic number.

203522242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

203522242 is a deficient number, since it is larger than the sum of its proper divisors (182199038).

203522242 is a wasteful number, since it uses less digits than its factorization.

203522242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727 (or 716 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 203522242 is about 14266.1221780833. The cubic root of 203522242 is about 588.2166219457.

Adding to 203522242 its reverse (242225302), we get a palindrome (445747544).

It can be divided in two parts, 203522 and 242, that multiplied together give a square (49252324 = 7018²).

The spelling of 203522242 in words is "two hundred three million, five hundred twenty-two thousand, two hundred forty-two".