422154561 has 8 divisors (see below), whose sum is σ = 563053120. Its totient is φ = 281346192.

The previous prime is 422154541. The next prime is 422154563. The reversal of 422154561 is 165451224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 422154561 - 2²³ = 413765953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422154563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10741 + ... + 30978.

It is an arithmetic number, because the mean of its divisors is an integer number (70381640).

Almost surely, 2^422154561 is an apocalyptic number.

It is an amenable number.

422154561 is a deficient number, since it is larger than the sum of its proper divisors (140898559).

422154561 is a wasteful number, since it uses less digits than its factorization.

422154561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45095.

The product of its digits is 9600, while the sum is 30.

The square root of 422154561 is about 20546.4001956547. The cubic root of 422154561 is about 750.1656291977.

The spelling of 422154561 in words is "four hundred twenty-two million, one hundred fifty-four thousand, five hundred sixty-one".