405369222 has 8 divisors (see below), whose sum is σ = 810738456. Its totient is φ = 135123072.

The previous prime is 405369203. The next prime is 405369241. The reversal of 405369222 is 222963504.

It is an interprime number because it is at equal distance from previous prime (405369203) and next prime (405369241).

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

405369222 is an admirable number.

It is a super-2 number, since 2×405369222² = 328648412289770568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33780763 + ... + 33780774.

It is an arithmetic number, because the mean of its divisors is an integer number (101342307).

Almost surely, 2^405369222 is an apocalyptic number.

405369222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

405369222 is a wasteful number, since it uses less digits than its factorization.

405369222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67561542.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 405369222 is about 20133.7831020402. The cubic root of 405369222 is about 740.0883885169.

The spelling of 405369222 in words is "four hundred five million, three hundred sixty-nine thousand, two hundred twenty-two".