1522223521040 has 40 divisors (see below), whose sum is σ = 3552940822680. Its totient is φ = 606520180736.

The previous prime is 1522223521033. The next prime is 1522223521051. The reversal of 1522223521040 is 401253222251.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 988902958096 + 533320562944 = 994436^2 + 730288^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 1522223520994 and 1522223521012.

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, 36998495 + ... + 37039614.

It is an arithmetic number, because the mean of its divisors is an integer number (88823520567).

Almost surely, 2^{1522223521040} is an apocalyptic number.

1522223521040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1522223521040 is an abundant number, since it is smaller than the sum of its proper divisors (2030717301640).

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

1522223521040 is a wasteful number, since it uses less digits than its factorization.

1522223521040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74038379 (or 74038373 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 1522223521040 its reverse (401253222251), we get a palindrome (1923476743291).

The spelling of 1522223521040 in words is "one trillion, five hundred twenty-two billion, two hundred twenty-three million, five hundred twenty-one thousand, forty".