1015422450 has 192 divisors, whose sum is σ = 3012664320. Its totient is φ = 221495040.

The previous prime is 1015422439. The next prime is 1015422497. The reversal of 1015422450 is 542245101.

It is a self number, because there is not a number n which added to its sum of digits gives 1015422450.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2291929 + ... + 2292371.

It is an arithmetic number, because the mean of its divisors is an integer number (15690960).

Almost surely, 2^1015422450 is an apocalyptic number.

1015422450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1015422450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1506332160).

1015422450 is an abundant number, since it is smaller than the sum of its proper divisors (1997241870).

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

1015422450 is a wasteful number, since it uses less digits than its factorization.

1015422450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1015422450 is about 31865.6939356418. The cubic root of 1015422450 is about 1005.1146128044.

Adding to 1015422450 its reverse (542245101), we get a palindrome (1557667551).

The spelling of 1015422450 in words is "one billion, fifteen million, four hundred twenty-two thousand, four hundred fifty".