401022356 has 24 divisors (see below), whose sum is σ = 802568256. Its totient is φ = 171754560.

The previous prime is 401022331. The next prime is 401022373. The reversal of 401022356 is 653220104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50360 + ... + 57776.

It is an arithmetic number, because the mean of its divisors is an integer number (33440344).

Almost surely, 2^401022356 is an apocalyptic number.

It is an amenable number.

401022356 is an abundant number, since it is smaller than the sum of its proper divisors (401545900).

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

401022356 is a wasteful number, since it uses less digits than its factorization.

401022356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9359 (or 9357 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 401022356 is about 20025.5425894032. The cubic root of 401022356 is about 737.4334976327.

The spelling of 401022356 in words is "four hundred one million, twenty-two thousand, three hundred fifty-six".