202530222438 has 16 divisors (see below), whose sum is σ = 405163534656. Its totient is φ = 67492892520.

The previous prime is 202530222437. The next prime is 202530222451. The reversal of 202530222438 is 834222035202.

It is a junction number, because it is equal to n+sod(n) for n = 202530222399 and 202530222408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202530222437) 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, 4269856 + ... + 4317027.

It is an arithmetic number, because the mean of its divisors is an integer number (25322720916).

Almost surely, 2^202530222438 is an apocalyptic number.

202530222438 is an abundant number, since it is smaller than the sum of its proper divisors (202633312218).

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

202530222438 is a wasteful number, since it uses less digits than its factorization.

202530222438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8590819.

The product of its (nonzero) digits is 46080, while the sum is 33.

The spelling of 202530222438 in words is "two hundred two billion, five hundred thirty million, two hundred twenty-two thousand, four hundred thirty-eight".