1226465144 has 32 divisors (see below), whose sum is σ = 2364390000. Its totient is φ = 596071680.

The previous prime is 1226465113. The next prime is 1226465171. The reversal of 1226465144 is 4415646221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84107 + ... + 97605.

Almost surely, 2^1226465144 is an apocalyptic number.

It is an amenable number.

1226465144 is a deficient number, since it is larger than the sum of its proper divisors (1137924856).

1226465144 is a wasteful number, since it uses less digits than its factorization.

1226465144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13823 (or 13819 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 1226465144 is about 35020.9243738654. The cubic root of 1226465144 is about 1070.4138917622.

The spelling of 1226465144 in words is "one billion, two hundred twenty-six million, four hundred sixty-five thousand, one hundred forty-four".