406225069 has 8 divisors (see below), whose sum is σ = 420480000. Its totient is φ = 391986672.

The previous prime is 406225067. The next prime is 406225091. The reversal of 406225069 is 960522604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 406225069 - 2¹ = 406225067 is a prime.

It is a super-2 number, since 2×406225069² = 330037613368109522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406225067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66652 + ... + 72490.

It is an arithmetic number, because the mean of its divisors is an integer number (52560000).

Almost surely, 2^406225069 is an apocalyptic number.

It is an amenable number.

406225069 is a deficient number, since it is larger than the sum of its proper divisors (14254931).

406225069 is a wasteful number, since it uses less digits than its factorization.

406225069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8267.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 406225069 is about 20155.0258992639. The cubic root of 406225069 is about 740.6088664351.

The spelling of 406225069 in words is "four hundred six million, two hundred twenty-five thousand, sixty-nine".