401222229 has 8 divisors (see below), whose sum is σ = 535685952. Its totient is φ = 267120000.

The previous prime is 401222201. The next prime is 401222233. The reversal of 401222229 is 922222104.

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

It is not a de Polignac number, because 401222229 - 2¹² = 401218133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 401222199 and 401222208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401222329) 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, 87772 + ... + 92229.

It is an arithmetic number, because the mean of its divisors is an integer number (66960744).

Almost surely, 2^401222229 is an apocalyptic number.

It is an amenable number.

401222229 is a deficient number, since it is larger than the sum of its proper divisors (134463723).

401222229 is a wasteful number, since it uses less digits than its factorization.

401222229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180747.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 401222229 is about 20030.5324192843. The cubic root of 401222229 is about 737.5559916888. Note that the first 3 decimals are identical.

The spelling of 401222229 in words is "four hundred one million, two hundred twenty-two thousand, two hundred twenty-nine".