202051422 has 20 divisors (see below), whose sum is σ = 452745216. Its totient is φ = 67350420.

The previous prime is 202051411. The next prime is 202051457. The reversal of 202051422 is 224150202.

202051422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 202051395 and 202051404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 623454 + ... + 623777.

Almost surely, 2^202051422 is an apocalyptic number.

202051422 is an abundant number, since it is smaller than the sum of its proper divisors (250693794).

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

202051422 is a wasteful number, since it uses less digits than its factorization.

202051422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247245 (or 1247236 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 202051422 is about 14214.4793080858. The cubic root of 202051422 is about 586.7962148626.

The spelling of 202051422 in words is "two hundred two million, fifty-one thousand, four hundred twenty-two".