1022220344421 has 24 divisors (see below), whose sum is σ = 1554904364000. Its totient is φ = 645342347232.

The previous prime is 1022220344371. The next prime is 1022220344479. The reversal of 1022220344421 is 1244430222201.

It is a happy number.

1022220344421 is a `hidden beast` number, since 10 + 2 + 2 + 2 + 203 + 4 + 442 + 1 = 666.

It is not a de Polignac number, because 1022220344421 - 2¹³ = 1022220336229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022220344521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 842611 + ... + 1659648.

Almost surely, 2^{1022220344421} is an apocalyptic number.

It is an amenable number.

1022220344421 is a deficient number, since it is larger than the sum of its proper divisors (532684019579).

1022220344421 is a wasteful number, since it uses less digits than its factorization.

1022220344421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2504673 (or 2504670 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 1022220344421 its reverse (1244430222201), we get a palindrome (2266650566622).

The spelling of 1022220344421 in words is "one trillion, twenty-two billion, two hundred twenty million, three hundred forty-four thousand, four hundred twenty-one".