1540014252222 has 16 divisors (see below), whose sum is σ = 3080557153152. Its totient is φ = 513249975960.

The previous prime is 1540014252221. The next prime is 1540014252277. The reversal of 1540014252222 is 2222524100451.

It is a self number, because there is not a number n which added to its sum of digits gives 1540014252222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540014252221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21989154 + ... + 22059077.

It is an arithmetic number, because the mean of its divisors is an integer number (192534822072).

Almost surely, 2^{1540014252222} is an apocalyptic number.

1540014252222 is an abundant number, since it is smaller than the sum of its proper divisors (1540542900930).

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

1540014252222 is a wasteful number, since it uses less digits than its factorization.

1540014252222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44054063.

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 1540014252222 its reverse (2222524100451), we get a palindrome (3762538352673).

The spelling of 1540014252222 in words is "one trillion, five hundred forty billion, fourteen million, two hundred fifty-two thousand, two hundred twenty-two".