1425210222 has 32 divisors (see below), whose sum is σ = 2929767840. Its totient is φ = 462021120.

The previous prime is 1425210221. The next prime is 1425210239. The reversal of 1425210222 is 2220125241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425210221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10698 + ... + 54450.

It is an arithmetic number, because the mean of its divisors is an integer number (91555245).

Almost surely, 2^1425210222 is an apocalyptic number.

1425210222 is an abundant number, since it is smaller than the sum of its proper divisors (1504557618).

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

1425210222 is a wasteful number, since it uses less digits than its factorization.

1425210222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43908.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1425210222 is about 37751.9565320792. The cubic root of 1425210222 is about 1125.3638913698.

Adding to 1425210222 its reverse (2220125241), we get a palindrome (3645335463).

The spelling of 1425210222 in words is "one billion, four hundred twenty-five million, two hundred ten thousand, two hundred twenty-two".