427722810 has 64 divisors (see below), whose sum is σ = 1062789120. Its totient is φ = 110053440.

The previous prime is 427722809. The next prime is 427722811. The reversal of 427722810 is 18227724.

It is an interprime number because it is at equal distance from previous prime (427722809) and next prime (427722811).

It is a super-2 number, since 2×427722810² = 365893604388592200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (427722811) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 575299 + ... + 576041.

It is an arithmetic number, because the mean of its divisors is an integer number (16606080).

Almost surely, 2^427722810 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427722810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (531394560).

427722810 is an abundant number, since it is smaller than the sum of its proper divisors (635066310).

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

427722810 is a wasteful number, since it uses less digits than its factorization.

427722810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403.

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 427722810 is about 20681.4605383662. The cubic root of 427722810 is about 753.4494793555.

The spelling of 427722810 in words is "four hundred twenty-seven million, seven hundred twenty-two thousand, eight hundred ten".