1022660427 has 32 divisors (see below), whose sum is σ = 1489600000. Its totient is φ = 621831168.

The previous prime is 1022660407. The next prime is 1022660459. The reversal of 1022660427 is 7240662201.

It is not a de Polignac number, because 1022660427 - 2⁶ = 1022660363 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1022660394 and 1022660403.

It is not an unprimeable number, because it can be changed into a prime (1022660407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 202074 + ... + 207072.

It is an arithmetic number, because the mean of its divisors is an integer number (46550000).

Almost surely, 2^1022660427 is an apocalyptic number.

1022660427 is a deficient number, since it is larger than the sum of its proper divisors (466939573).

1022660427 is a wasteful number, since it uses less digits than its factorization.

1022660427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5155.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 1022660427 is about 31979.0623220882. The cubic root of 1022660427 is about 1007.4971282708.

The spelling of 1022660427 in words is "one billion, twenty-two million, six hundred sixty thousand, four hundred twenty-seven".