69226021 has 4 divisors (see below), whose sum is σ = 72235872. Its totient is φ = 66216172.

The previous prime is 69226019. The next prime is 69226037. The reversal of 69226021 is 12062296.

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 not a de Polignac number, because 69226021 - 2¹ = 69226019 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 (69226061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1504891 + ... + 1504936.

It is an arithmetic number, because the mean of its divisors is an integer number (18058968).

Almost surely, 2^69226021 is an apocalyptic number.

It is an amenable number.

69226021 is a deficient number, since it is larger than the sum of its proper divisors (3009851).

69226021 is a wasteful number, since it uses less digits than its factorization.

69226021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3009850.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 69226021 is about 8320.2176053274. The cubic root of 69226021 is about 410.6039502873.

The spelling of 69226021 in words is "sixty-nine million, two hundred twenty-six thousand, twenty-one".