206242422 has 16 divisors (see below), whose sum is σ = 415114032. Its totient is φ = 68309280.

The previous prime is 206242409. The next prime is 206242471. The reversal of 206242422 is 224242602.

It is a junction number, because it is equal to n+sod(n) for n = 206242392 and 206242401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108529 + ... + 110412.

It is an arithmetic number, because the mean of its divisors is an integer number (25944627).

Almost surely, 2^206242422 is an apocalyptic number.

206242422 is an abundant number, since it is smaller than the sum of its proper divisors (208871610).

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

206242422 is a wasteful number, since it uses less digits than its factorization.

206242422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219103.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 206242422 is about 14361.1427818262. The cubic root of 206242422 is about 590.8256390538.

The spelling of 206242422 in words is "two hundred six million, two hundred forty-two thousand, four hundred twenty-two".