1522159450 has 24 divisors (see below), whose sum is σ = 3235676832. Its totient is φ = 521883120.

The previous prime is 1522159367. The next prime is 1522159459. The reversal of 1522159450 is 549512251.

It is not an unprimeable number, because it can be changed into a prime (1522159459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2174164 + ... + 2174863.

It is an arithmetic number, because the mean of its divisors is an integer number (134819868).

Almost surely, 2^1522159450 is an apocalyptic number.

1522159450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1522159450 is an abundant number, since it is smaller than the sum of its proper divisors (1713517382).

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

1522159450 is a wasteful number, since it uses less digits than its factorization.

1522159450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4349046 (or 4349041 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 34.

The square root of 1522159450 is about 39014.8619118407. The cubic root of 1522159450 is about 1150.3236518152.

The spelling of 1522159450 in words is "one billion, five hundred twenty-two million, one hundred fifty-nine thousand, four hundred fifty".