245651422 has 8 divisors (see below), whose sum is σ = 376317216. Its totient is φ = 120212352.

The previous prime is 245651407. The next prime is 245651423. The reversal of 245651422 is 224156542.

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

It is a super-2 number, since 2×245651422² = 120689242261244168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245651423) 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 3 ways as a sum of consecutive naturals, for example, 1306563 + ... + 1306750.

It is an arithmetic number, because the mean of its divisors is an integer number (47039652).

Almost surely, 2^245651422 is an apocalyptic number.

245651422 is a deficient number, since it is larger than the sum of its proper divisors (130665794).

245651422 is a wasteful number, since it uses less digits than its factorization.

245651422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2613362.

The product of its digits is 19200, while the sum is 31.

The square root of 245651422 is about 15673.2709413192. The cubic root of 245651422 is about 626.2865632308.

The spelling of 245651422 in words is "two hundred forty-five million, six hundred fifty-one thousand, four hundred twenty-two".