1226550654 has 48 divisors (see below), whose sum is σ = 3170682000. Its totient is φ = 350442288.

The previous prime is 1226550641. The next prime is 1226550659. The reversal of 1226550654 is 4560556221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226550659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 229129 + ... + 234420.

It is an arithmetic number, because the mean of its divisors is an integer number (66055875).

Almost surely, 2^1226550654 is an apocalyptic number.

1226550654 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1226550654 is an abundant number, since it is smaller than the sum of its proper divisors (1944131346).

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

1226550654 is a wasteful number, since it uses less digits than its factorization.

1226550654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463574 (or 463561 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 1226550654 is about 35022.1451941482. The cubic root of 1226550654 is about 1070.4387678502.

The spelling of 1226550654 in words is "one billion, two hundred twenty-six million, five hundred fifty thousand, six hundred fifty-four".