422955154 has 4 divisors (see below), whose sum is σ = 634432734. Its totient is φ = 211477576.

The previous prime is 422955133. The next prime is 422955157. The reversal of 422955154 is 451559224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 404935129 + 18020025 = 20123^2 + 4245^2 .

It is not an unprimeable number, because it can be changed into a prime (422955157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105738787 + ... + 105738790.

Almost surely, 2^422955154 is an apocalyptic number.

422955154 is a deficient number, since it is larger than the sum of its proper divisors (211477580).

422955154 is a wasteful number, since it uses less digits than its factorization.

422955154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211477579.

The product of its digits is 72000, while the sum is 37.

The square root of 422955154 is about 20565.8735287369. The cubic root of 422955154 is about 750.6395457459.

The spelling of 422955154 in words is "four hundred twenty-two million, nine hundred fifty-five thousand, one hundred fifty-four".