1522099990 has 32 divisors (see below), whose sum is σ = 2810052000. Its totient is φ = 593260800.

The previous prime is 1522099987. The next prime is 1522099993. The reversal of 1522099990 is 999902251.

It is an interprime number because it is at equal distance from previous prime (1522099987) and next prime (1522099993).

It is a self number, because there is not a number n which added to its sum of digits gives 1522099990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1522099993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433261 + ... + 436759.

It is an arithmetic number, because the mean of its divisors is an integer number (87814125).

Almost surely, 2^1522099990 is an apocalyptic number.

1522099990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1522099990 is a deficient number, since it is larger than the sum of its proper divisors (1287952010).

1522099990 is a wasteful number, since it uses less digits than its factorization.

1522099990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4608.

The product of its (nonzero) digits is 131220, while the sum is 46.

The square root of 1522099990 is about 39014.0998870921. The cubic root of 1522099990 is about 1150.3086732848.

The spelling of 1522099990 in words is "one billion, five hundred twenty-two million, ninety-nine thousand, nine hundred ninety".