1022354440340 has 12 divisors (see below), whose sum is σ = 2146944324756. Its totient is φ = 408941776128.

The previous prime is 1022354440333. The next prime is 1022354440351. The reversal of 1022354440340 is 430444532201.

It can be written as a sum of positive squares in 2 ways, for example, as 680103699856 + 342250740484 = 824684^2 + 585022^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1022354440297 and 1022354440306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25558860989 + ... + 25558861028.

It is an arithmetic number, because the mean of its divisors is an integer number (178912027063).

Almost surely, 2^{1022354440340} is an apocalyptic number.

1022354440340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022354440340 is an abundant number, since it is smaller than the sum of its proper divisors (1124589884416).

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

1022354440340 is a wasteful number, since it uses less digits than its factorization.

1022354440340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51117722026 (or 51117722024 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 1022354440340 its reverse (430444532201), we get a palindrome (1452798972541).

The spelling of 1022354440340 in words is "one trillion, twenty-two billion, three hundred fifty-four million, four hundred forty thousand, three hundred forty".