202201424 has 10 divisors (see below), whose sum is σ = 391765290. Its totient is φ = 101100704.

The previous prime is 202201423. The next prime is 202201453. The reversal of 202201424 is 424102202.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 127690000 + 74511424 = 11300^2 + 8632^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202201423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6318779 + ... + 6318810.

It is an arithmetic number, because the mean of its divisors is an integer number (39176529).

Almost surely, 2^202201424 is an apocalyptic number.

It is an amenable number.

202201424 is a deficient number, since it is larger than the sum of its proper divisors (189563866).

202201424 is a wasteful number, since it uses less digits than its factorization.

202201424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12637597 (or 12637591 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 202201424 is about 14219.7547095581. The cubic root of 202201424 is about 586.9413905014.

Adding to 202201424 its reverse (424102202), we get a palindrome (626303626).

The spelling of 202201424 in words is "two hundred two million, two hundred one thousand, four hundred twenty-four".