401222310 has 64 divisors (see below), whose sum is σ = 994037184. Its totient is φ = 103577600.

The previous prime is 401222303. The next prime is 401222329. The reversal of 401222310 is 13222104.

It is a super-2 number, since 2×401222310² = 321958684083472200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 401222310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167320 + ... + 169700.

It is an arithmetic number, because the mean of its divisors is an integer number (15531831).

Almost surely, 2^401222310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401222310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (497018592).

401222310 is an abundant number, since it is smaller than the sum of its proper divisors (592814874).

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

401222310 is a wasteful number, since it uses less digits than its factorization.

401222310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2569.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 401222310 is about 20030.5344411975. The cubic root of 401222310 is about 737.5560413222.

Adding to 401222310 its reverse (13222104), we get a palindrome (414444414).

The spelling of 401222310 in words is "four hundred one million, two hundred twenty-two thousand, three hundred ten".