1422576220 has 72 divisors (see below), whose sum is σ = 3363496416. Its totient is φ = 502372992.

The previous prime is 1422576217. The next prime is 1422576223. The reversal of 1422576220 is 226752241.

It is an interprime number because it is at equal distance from previous prime (1422576217) and next prime (1422576223).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422576223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 132369 + ... + 142711.

It is an arithmetic number, because the mean of its divisors is an integer number (46715228).

Almost surely, 2^1422576220 is an apocalyptic number.

1422576220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1422576220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1681748208).

1422576220 is an abundant number, since it is smaller than the sum of its proper divisors (1940920196).

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

1422576220 is a wasteful number, since it uses less digits than its factorization.

1422576220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10411 (or 10386 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 1422576220 is about 37717.0547630644. The cubic root of 1422576220 is about 1124.6701834817.

The spelling of 1422576220 in words is "one billion, four hundred twenty-two million, five hundred seventy-six thousand, two hundred twenty".