290221210202222 has 16 divisors (see below), whose sum is σ = 468819184690752. Its totient is φ = 133948163242080.

The previous prime is 290221210202149. The next prime is 290221210202227. The reversal of 290221210202222 is 222202012122092.

It is a super-3 number, since 3×290221210202222³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290221210202227) 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, 54092408 + ... + 59215124.

It is an arithmetic number, because the mean of its divisors is an integer number (29301199043172).

Almost surely, 2^{290221210202222} is an apocalyptic number.

290221210202222 is a deficient number, since it is larger than the sum of its proper divisors (178597974488530).

290221210202222 is a wasteful number, since it uses less digits than its factorization.

290221210202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7301723.

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 290221210202222 in words is "two hundred ninety trillion, two hundred twenty-one billion, two hundred ten million, two hundred two thousand, two hundred twenty-two".