202220412 has 12 divisors (see below), whose sum is σ = 471847656. Its totient is φ = 67406800.

The previous prime is 202220411. The next prime is 202220413. The reversal of 202220412 is 214022202.

202220412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (202220411) and next prime (202220413).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 202220391 and 202220400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202220411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8425839 + ... + 8425862.

It is an arithmetic number, because the mean of its divisors is an integer number (39320638).

Almost surely, 2^202220412 is an apocalyptic number.

It is an amenable number.

202220412 is an abundant number, since it is smaller than the sum of its proper divisors (269627244).

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

202220412 is a wasteful number, since it uses less digits than its factorization.

202220412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16851708 (or 16851706 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 202220412 is about 14220.4223565969. The cubic root of 202220412 is about 586.9597624365.

Adding to 202220412 its reverse (214022202), we get a palindrome (416242614).

The spelling of 202220412 in words is "two hundred two million, two hundred twenty thousand, four hundred twelve".