405225070 has 16 divisors (see below), whose sum is σ = 744925248. Its totient is φ = 158641120.

The previous prime is 405225061. The next prime is 405225089. The reversal of 405225070 is 70522504.

It is a congruent number.

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, 430621 + ... + 431560.

It is an arithmetic number, because the mean of its divisors is an integer number (46557828).

Almost surely, 2^405225070 is an apocalyptic number.

405225070 is a deficient number, since it is larger than the sum of its proper divisors (339700178).

405225070 is a wasteful number, since it uses less digits than its factorization.

405225070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862235.

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 405225070 is about 20130.2029299260. The cubic root of 405225070 is about 740.0006513264. Note that the first 3 decimals are identical.

Adding to 405225070 its reverse (70522504), we get a palindrome (475747574).

The spelling of 405225070 in words is "four hundred five million, two hundred twenty-five thousand, seventy".