22222333012340 has 24 divisors (see below), whose sum is σ = 46667346059880. Its totient is φ = 8888848112768.

The previous prime is 22222333012267. The next prime is 22222333012361. The reversal of 22222333012340 is 4321033322222.

It can be written as a sum of positive squares in 4 ways, for example, as 10542931072144 + 11679401940196 = 3246988^2 + 3417514^2 .

It is a super-2 number, since 2×22222333012340² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 3155327 + ... + 7375686.

It is an arithmetic number, because the mean of its divisors is an integer number (1944472752495).

Almost surely, 2^{22222333012340} is an apocalyptic number.

22222333012340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22222333012340 is an abundant number, since it is smaller than the sum of its proper divisors (24445013047540).

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

22222333012340 is a wasteful number, since it uses less digits than its factorization.

22222333012340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10636531 (or 10636529 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 22222333012340 its reverse (4321033322222), we get a palindrome (26543366334562).

The spelling of 22222333012340 in words is "twenty-two trillion, two hundred twenty-two billion, three hundred thirty-three million, twelve thousand, three hundred forty".