427220025 has 48 divisors (see below), whose sum is σ = 739238400. Its totient is φ = 217423360.

The previous prime is 427220011. The next prime is 427220029. The reversal of 427220025 is 520022724.

It is not a de Polignac number, because 427220025 - 2¹¹ = 427217977 is a prime.

It is a super-2 number, since 2×427220025² = 365033899522001250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 427219977 and 427220004.

It is not an unprimeable number, because it can be changed into a prime (427220029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 192472 + ... + 194678.

It is an arithmetic number, because the mean of its divisors is an integer number (15400800).

Almost surely, 2^427220025 is an apocalyptic number.

It is an amenable number.

427220025 is a deficient number, since it is larger than the sum of its proper divisors (312018375).

427220025 is a wasteful number, since it uses less digits than its factorization.

427220025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2338 (or 2333 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 427220025 is about 20669.3015121460. The cubic root of 427220025 is about 753.1541388380.

Adding to 427220025 its reverse (520022724), we get a palindrome (947242749).

The spelling of 427220025 in words is "four hundred twenty-seven million, two hundred twenty thousand, twenty-five".