2210221221434 has 16 divisors (see below), whose sum is σ = 3328680563208. Its totient is φ = 1100665645632.

The previous prime is 2210221221331. The next prime is 2210221221557. The reversal of 2210221221434 is 4341221220122.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1168398855625 + 1041822365809 = 1080925^2 + 1020697^2 .

It is a super-2 number, since 2×2210221221434² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192737 + ... + 2111300.

Almost surely, 2^{2210221221434} is an apocalyptic number.

2210221221434 is a deficient number, since it is larger than the sum of its proper divisors (1118459341774).

2210221221434 is a wasteful number, since it uses less digits than its factorization.

2210221221434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305969.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 2210221221434 its reverse (4341221220122), we get a palindrome (6551442441556).

The spelling of 2210221221434 in words is "two trillion, two hundred ten billion, two hundred twenty-one million, two hundred twenty-one thousand, four hundred thirty-four".