427221654 has 16 divisors (see below), whose sum is σ = 860967360.
Its totient is φ = 141319880.
The previous prime is 427221653. The next prime is 427221661. The reversal of 427221654 is 456122724.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (427221653) 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, 270984 + ... + 272555.
It is an arithmetic number, because the mean of its divisors is an integer number (53810460).
Almost surely, 2427221654 is an apocalyptic number.
427221654 is an abundant number, since it is smaller than the sum of its proper divisors (433745706).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
427221654 is a wasteful number, since it uses less digits than its factorization.
427221654 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 543675.
The product of its digits is 26880, while the sum is 33.
The square root of 427221654 is about 20669.3409183747.
The cubic root of 427221654 is about 753.1550961016.
The spelling of 427221654 in words is "four hundred twenty-seven million, two hundred twenty-one thousand, six hundred fifty-four".