1220025227 has 2 divisors, whose sum is σ = 1220025228. Its totient is φ = 1220025226.

The previous prime is 1220025223. The next prime is 1220025229. The reversal of 1220025227 is 7225200221.

It is a strong prime.

It is an emirp because it is prime and its reverse (7225200221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1220025227 - 2² = 1220025223 is a prime.

Together with 1220025229, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1220025223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610012613 + 610012614.

It is an arithmetic number, because the mean of its divisors is an integer number (610012614).

Almost surely, 2^1220025227 is an apocalyptic number.

1220025227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220025227 is an equidigital number, since it uses as much as digits as its factorization.

1220025227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 1220025227 is about 34928.8595147337. The cubic root of 1220025227 is about 1068.5370950707.

Adding to 1220025227 its reverse (7225200221), we get a palindrome (8445225448).

The spelling of 1220025227 in words is "one billion, two hundred twenty million, twenty-five thousand, two hundred twenty-seven".