2122221202 has 4 divisors (see below), whose sum is σ = 3183331806. Its totient is φ = 1061110600.

The previous prime is 2122221151. The next prime is 2122221217. The reversal of 2122221202 is 2021222212.

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., 2053811761 + 68409441 = 45319^2 + 8271^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530555299 + ... + 530555302.

Almost surely, 2^2122221202 is an apocalyptic number.

2122221202 is a deficient number, since it is larger than the sum of its proper divisors (1061110604).

2122221202 is a wasteful number, since it uses less digits than its factorization.

2122221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061110603.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2122221202 is about 46067.5721305128. The cubic root of 2122221202 is about 1285.0801530647.

Adding to 2122221202 its reverse (2021222212), we get a palindrome (4143443414).

It can be divided in two parts, 21222 and 21202, that added together give a palindrome (42424).

The spelling of 2122221202 in words is "two billion, one hundred twenty-two million, two hundred twenty-one thousand, two hundred two".