2213155640526 has 8 divisors (see below), whose sum is σ = 4426311281064. Its totient is φ = 737718546840.

The previous prime is 2213155640491. The next prime is 2213155640593. The reversal of 2213155640526 is 6250465513122.

It is a sphenic number, since it is the product of 3 distinct primes.

2213155640526 is an admirable number.

It is a super-3 number, since 3×2213155640526³ (a number of 38 digits) contains 333 as substring.

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, 184429636705 + ... + 184429636716.

It is an arithmetic number, because the mean of its divisors is an integer number (553288910133).

Almost surely, 2^{2213155640526} is an apocalyptic number.

2213155640526 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2213155640526 is a wasteful number, since it uses less digits than its factorization.

2213155640526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368859273426.

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 2213155640526 in words is "two trillion, two hundred thirteen billion, one hundred fifty-five million, six hundred forty thousand, five hundred twenty-six".