1420662225 has 12 divisors (see below), whose sum is σ = 2348828336. Its totient is φ = 757686480.

The previous prime is 1420662223. The next prime is 1420662289. The reversal of 1420662225 is 5222660241.

It is a happy number.

It is not a de Polignac number, because 1420662225 - 2¹ = 1420662223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1420662192 and 1420662201.

It is not an unprimeable number, because it can be changed into a prime (1420662223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9471007 + ... + 9471156.

Almost surely, 2^1420662225 is an apocalyptic number.

1420662225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1420662225 is a deficient number, since it is larger than the sum of its proper divisors (928166111).

1420662225 is a wasteful number, since it uses less digits than its factorization.

1420662225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18942176 (or 18942171 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 1420662225 is about 37691.6731520372. The cubic root of 1420662225 is about 1124.1655639504.

The spelling of 1420662225 in words is "one billion, four hundred twenty million, six hundred sixty-two thousand, two hundred twenty-five".