422147677 has 8 divisors (see below), whose sum is σ = 498017792. Its totient is φ = 350168400.

The previous prime is 422147659. The next prime is 422147683. The reversal of 422147677 is 776741224.

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

It is a cyclic number.

It is not a de Polignac number, because 422147677 - 2²³ = 413759069 is a prime.

It is a super-2 number, since 2×422147677² = 356417322392992658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422147617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 972474 + ... + 972907.

It is an arithmetic number, because the mean of its divisors is an integer number (62252224).

Almost surely, 2^422147677 is an apocalyptic number.

It is an amenable number.

422147677 is a deficient number, since it is larger than the sum of its proper divisors (75870115).

422147677 is a wasteful number, since it uses less digits than its factorization.

422147677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945419.

The product of its digits is 131712, while the sum is 40.

The square root of 422147677 is about 20546.2326717089. The cubic root of 422147677 is about 750.1615515693.

The spelling of 422147677 in words is "four hundred twenty-two million, one hundred forty-seven thousand, six hundred seventy-seven".