401550226 has 16 divisors (see below), whose sum is σ = 750951360. Its totient is φ = 156448080.

The previous prime is 401550209. The next prime is 401550257. The reversal of 401550226 is 622055104.

It is a super-2 number, since 2×401550226² = 322485168001302152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401550226.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1303581 + ... + 1303888.

It is an arithmetic number, because the mean of its divisors is an integer number (46934460).

Almost surely, 2^401550226 is an apocalyptic number.

401550226 is a deficient number, since it is larger than the sum of its proper divisors (349401134).

401550226 is a wasteful number, since it uses less digits than its factorization.

401550226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2607489.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 401550226 is about 20038.7181725778. The cubic root of 401550226 is about 737.7569196230.

The spelling of 401550226 in words is "four hundred one million, five hundred fifty thousand, two hundred twenty-six".