69464221 has 4 divisors (see below), whose sum is σ = 71079712. Its totient is φ = 67848732.

The previous prime is 69464203. The next prime is 69464231. The reversal of 69464221 is 12246496.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 69464221 - 2⁷ = 69464093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69464201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 807681 + ... + 807766.

It is an arithmetic number, because the mean of its divisors is an integer number (17769928).

Almost surely, 2^69464221 is an apocalyptic number.

It is an amenable number.

69464221 is a deficient number, since it is larger than the sum of its proper divisors (1615491).

69464221 is a wasteful number, since it uses less digits than its factorization.

69464221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615490.

The product of its digits is 20736, while the sum is 34.

The square root of 69464221 is about 8334.5198421985. The cubic root of 69464221 is about 411.0743605625.

The spelling of 69464221 in words is "sixty-nine million, four hundred sixty-four thousand, two hundred twenty-one".