422506154 has 64 divisors (see below), whose sum is σ = 783882240. Its totient is φ = 166795200.

The previous prime is 422506153. The next prime is 422506157. The reversal of 422506154 is 451605224.

It is a super-2 number, since 2×422506154² = 357022900335743432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (422506153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2691044 + ... + 2691200.

It is an arithmetic number, because the mean of its divisors is an integer number (12248160).

Almost surely, 2^422506154 is an apocalyptic number.

422506154 is a deficient number, since it is larger than the sum of its proper divisors (361376086).

422506154 is a wasteful number, since it uses less digits than its factorization.

422506154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 422506154 is about 20554.9544879087. The cubic root of 422506154 is about 750.3738308216.

The spelling of 422506154 in words is "four hundred twenty-two million, five hundred six thousand, one hundred fifty-four".