1227625242 has 24 divisors (see below), whose sum is σ = 2508628416. Its totient is φ = 400497528.

The previous prime is 1227625237. The next prime is 1227625249. The reversal of 1227625242 is 2425267221.

It is not an unprimeable number, because it can be changed into a prime (1227625249) 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, 33058 + ... + 59565.

It is an arithmetic number, because the mean of its divisors is an integer number (104526184).

Almost surely, 2^1227625242 is an apocalyptic number.

1227625242 is an abundant number, since it is smaller than the sum of its proper divisors (1281003174).

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

1227625242 is an equidigital number, since it uses as much as digits as its factorization.

1227625242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92722 (or 92675 counting only the distinct ones).

The product of its digits is 26880, while the sum is 33.

The square root of 1227625242 is about 35037.4833856543. The cubic root of 1227625242 is about 1070.7512824325.

The spelling of 1227625242 in words is "one billion, two hundred twenty-seven million, six hundred twenty-five thousand, two hundred forty-two".