202222442 has 8 divisors (see below), whose sum is σ = 308306532. Its totient is φ = 99453600.

The previous prime is 202222439. The next prime is 202222459. The reversal of 202222442 is 244222202.

202222442 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 163047361 + 39175081 = 12769^2 + 6259^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 828659 + ... + 828902.

Almost surely, 2^202222442 is an apocalyptic number.

202222442 is a deficient number, since it is larger than the sum of its proper divisors (106084090).

202222442 is a wasteful number, since it uses less digits than its factorization.

202222442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657624.

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 202222442 is about 14220.4937326381. The cubic root of 202222442 is about 586.9617265051.

Adding to 202222442 its reverse (244222202), we get a palindrome (446444644).

The spelling of 202222442 in words is "two hundred two million, two hundred twenty-two thousand, four hundred forty-two".