404154222 has 24 divisors (see below), whose sum is σ = 825899496. Its totient is φ = 131847408.

The previous prime is 404154221. The next prime is 404154271. The reversal of 404154222 is 222451404.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 404154192 and 404154201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404154221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1993 + ... + 28500.

It is an arithmetic number, because the mean of its divisors is an integer number (34412479).

Almost surely, 2^404154222 is an apocalyptic number.

404154222 is an abundant number, since it is smaller than the sum of its proper divisors (421745274).

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

404154222 is a wasteful number, since it uses less digits than its factorization.

404154222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30592 (or 30545 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 404154222 is about 20103.5872918243. The cubic root of 404154222 is about 739.3482342488.

The spelling of 404154222 in words is "four hundred four million, one hundred fifty-four thousand, two hundred twenty-two".