5470229521 has 3 divisors (see below), whose sum is σ = 5470303483. Its totient is φ = 5470155560.

The previous prime is 5470229503. The next prime is 5470229533. The reversal of 5470229521 is 1259220745.

The square root of 5470229521 is 73961.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 5007119121 + 463110400 = 70761^2 + 21520^2 .

It is not a de Polignac number, because 5470229521 - 2⁷ = 5470229393 is a prime.

It is a super-2 number, since 2×5470229521² = 59846822024839778882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5470329521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 36981 + ... + 110941.

Almost surely, 2^5470229521 is an apocalyptic number.

5470229521 is the 73961-st square number.

5470229521 is the 36981-st centered octagonal number.

It is an amenable number.

5470229521 is a deficient number, since it is larger than the sum of its proper divisors (73962).

5470229521 is an frugal number, since it uses more digits than its factorization.

5470229521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147922 (or 73961 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The cubic root of 5470229521 is about 1761.9835506175.

The spelling of 5470229521 in words is "five billion, four hundred seventy million, two hundred twenty-nine thousand, five hundred twenty-one".