222222220021202 has 4 divisors (see below), whose sum is σ = 333333330031806. Its totient is φ = 111111110010600.

The previous prime is 222222220021187. The next prime is 222222220021261. The reversal of 222222220021202 is 202120022222222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 184436254494361 + 37785965526841 = 13580731^2 + 6147029^2 .

It is a super-2 number, since 2×222222220021202² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555555005299 + ... + 55555555005302.

Almost surely, 2^{222222220021202} is an apocalyptic number.

222222220021202 is a deficient number, since it is larger than the sum of its proper divisors (111111110010604).

222222220021202 is a wasteful number, since it uses less digits than its factorization.

222222220021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111111110010603.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 222222220021202 its reverse (202120022222222), we get a palindrome (424342242243424).

The spelling of 222222220021202 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, two hundred twenty million, twenty-one thousand, two hundred two".