202422790 has 16 divisors (see below), whose sum is σ = 364665312. Its totient is φ = 80901504.

The previous prime is 202422767. The next prime is 202422799. The reversal of 202422790 is 97224202.

202422790 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×202422790² = 81949971822768200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202422799) 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, 5167 + ... + 20773.

It is an arithmetic number, because the mean of its divisors is an integer number (22791582).

Almost surely, 2^202422790 is an apocalyptic number.

202422790 is a deficient number, since it is larger than the sum of its proper divisors (162242522).

202422790 is a wasteful number, since it uses less digits than its factorization.

202422790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16911.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 202422790 is about 14227.5363292455. The cubic root of 202422790 is about 587.1555028777.

Adding to 202422790 its reverse (97224202), we get a palindrome (299646992).

It can be divided in two parts, 20242 and 2790, that added together give a palindrome (23032).

The spelling of 202422790 in words is "two hundred two million, four hundred twenty-two thousand, seven hundred ninety".