1573226481 has 16 divisors (see below), whose sum is σ = 2172231360. Its totient is φ = 1011595200.

The previous prime is 1573226477. The next prime is 1573226489. The reversal of 1573226481 is 1846223751.

It is not a de Polignac number, because 1573226481 - 2² = 1573226477 is a prime.

It is a super-2 number, since 2×1573226481² = 4950083121039286722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1573226489) 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, 79206 + ... + 97056.

It is an arithmetic number, because the mean of its divisors is an integer number (135764460).

Almost surely, 2^1573226481 is an apocalyptic number.

It is an amenable number.

1573226481 is a deficient number, since it is larger than the sum of its proper divisors (599004879).

1573226481 is a wasteful number, since it uses less digits than its factorization.

1573226481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18896.

The product of its digits is 80640, while the sum is 39.

The square root of 1573226481 is about 39663.9191331366. The cubic root of 1573226481 is about 1163.0465106161.

The spelling of 1573226481 in words is "one billion, five hundred seventy-three million, two hundred twenty-six thousand, four hundred eighty-one".