1520227104 has 96 divisors (see below), whose sum is σ = 4493905920. Its totient is φ = 445804800.

The previous prime is 1520227063. The next prime is 1520227109. The reversal of 1520227104 is 4017220251.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1520227104² = 4622180895472453632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1520227109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9517 + ... + 55955.

It is an arithmetic number, because the mean of its divisors is an integer number (46811520).

Almost surely, 2^1520227104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1520227104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2246952960).

1520227104 is an abundant number, since it is smaller than the sum of its proper divisors (2973678816).

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

1520227104 is a wasteful number, since it uses less digits than its factorization.

1520227104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46494 (or 46486 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 1520227104 is about 38990.0898177986. The cubic root of 1520227104 is about 1149.8366759865.

Adding to 1520227104 its reverse (4017220251), we get a palindrome (5537447355).

The spelling of 1520227104 in words is "one billion, five hundred twenty million, two hundred twenty-seven thousand, one hundred four".