400226245 has 16 divisors (see below), whose sum is σ = 503136000. Its totient is φ = 305218368.

The previous prime is 400226237. The next prime is 400226261. The reversal of 400226245 is 542622004.

It is a cyclic number.

It is not a de Polignac number, because 400226245 - 2³ = 400226237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6015 + ... + 28924.

It is an arithmetic number, because the mean of its divisors is an integer number (31446000).

Almost surely, 2^400226245 is an apocalyptic number.

It is an amenable number.

400226245 is a deficient number, since it is larger than the sum of its proper divisors (102909755).

400226245 is a wasteful number, since it uses less digits than its factorization.

400226245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35052.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 400226245 is about 20005.6553254324. The cubic root of 400226245 is about 736.9451891632.

Adding to 400226245 its reverse (542622004), we get a palindrome (942848249).

The spelling of 400226245 in words is "four hundred million, two hundred twenty-six thousand, two hundred forty-five".