425154222 has 24 divisors (see below), whose sum is σ = 969650760. Its totient is φ = 134259120.

The previous prime is 425154193. The next prime is 425154227. The reversal of 425154222 is 222451524.

425154222 is a `hidden beast` number, since 425 + 15 + 4 + 222 = 666.

It is a super-2 number, since 2×425154222² = 361512224968850568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425154227) 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 11 ways as a sum of consecutive naturals, for example, 621229 + ... + 621912.

It is an arithmetic number, because the mean of its divisors is an integer number (40402115).

Almost surely, 2^425154222 is an apocalyptic number.

425154222 is an abundant number, since it is smaller than the sum of its proper divisors (544496538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425154222 is a wasteful number, since it uses less digits than its factorization.

425154222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243168 (or 1243165 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 425154222 is about 20619.2682217386. The cubic root of 425154222 is about 751.9382293743.

The spelling of 425154222 in words is "four hundred twenty-five million, one hundred fifty-four thousand, two hundred twenty-two".