408822142 has 8 divisors (see below), whose sum is σ = 613375776. Its totient is φ = 204363552.

The previous prime is 408822131. The next prime is 408822143. The reversal of 408822142 is 241228804.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408822143) 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, 11803 + ... + 30934.

It is an arithmetic number, because the mean of its divisors is an integer number (76671972).

Almost surely, 2^408822142 is an apocalyptic number.

408822142 is a deficient number, since it is larger than the sum of its proper divisors (204553634).

408822142 is a wasteful number, since it uses less digits than its factorization.

408822142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47522.

The product of its (nonzero) digits is 8192, while the sum is 31.

The square root of 408822142 is about 20219.3506819581. The cubic root of 408822142 is about 742.1837986714.

The spelling of 408822142 in words is "four hundred eight million, eight hundred twenty-two thousand, one hundred forty-two".