1226650172 has 24 divisors (see below), whose sum is σ = 2342919600. Its totient is φ = 557298560.

The previous prime is 1226650153. The next prime is 1226650189. The reversal of 1226650172 is 2710566221.

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, 106688 + ... + 117624.

It is an arithmetic number, because the mean of its divisors is an integer number (97621650).

Almost surely, 2^1226650172 is an apocalyptic number.

It is an amenable number.

1226650172 is a deficient number, since it is larger than the sum of its proper divisors (1116269428).

1226650172 is a wasteful number, since it uses less digits than its factorization.

1226650172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13501 (or 13499 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 1226650172 is about 35023.5659520843. The cubic root of 1226650172 is about 1070.4677176111.

The spelling of 1226650172 in words is "one billion, two hundred twenty-six million, six hundred fifty thousand, one hundred seventy-two".