1228053386 has 24 divisors (see below), whose sum is σ = 2144473380. Its totient is φ = 525904512.

The previous prime is 1228053373. The next prime is 1228053397. The reversal of 1228053386 is 6833508221.

It can be written as a sum of positive squares in 2 ways, for example, as 837002761 + 391050625 = 28931^2 + 19775^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148160 + ... + 156228.

Almost surely, 2^1228053386 is an apocalyptic number.

1228053386 is a deficient number, since it is larger than the sum of its proper divisors (916419994).

1228053386 is a wasteful number, since it uses less digits than its factorization.

1228053386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9638 (or 9631 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 1228053386 is about 35043.5926525806. The cubic root of 1228053386 is about 1070.8757456202.

It can be divided in two parts, 122 and 8053386, that added together give a palindrome (8053508).

The spelling of 1228053386 in words is "one billion, two hundred twenty-eight million, fifty-three thousand, three hundred eighty-six".