1425421202 has 16 divisors (see below), whose sum is σ = 2272727160. Its totient is φ = 668172288.

The previous prime is 1425421201. The next prime is 1425421229. The reversal of 1425421202 is 2021245241.

It can be written as a sum of positive squares in 4 ways, for example, as 1421214601 + 4206601 = 37699^2 + 2051^2 .

It is a super-2 number, since 2×1425421202² = 4063651206222249608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1425421201) 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, 72827 + ... + 90302.

Almost surely, 2^1425421202 is an apocalyptic number.

1425421202 is a deficient number, since it is larger than the sum of its proper divisors (847305958).

1425421202 is a wasteful number, since it uses less digits than its factorization.

1425421202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163405.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 1425421202 is about 37754.7507209358. The cubic root of 1425421202 is about 1125.4194194491.

Adding to 1425421202 its reverse (2021245241), we get a palindrome (3446666443).

The spelling of 1425421202 in words is "one billion, four hundred twenty-five million, four hundred twenty-one thousand, two hundred two".