1226551548 has 24 divisors (see below), whose sum is σ = 2901160528. Its totient is φ = 403249536.

The previous prime is 1226551541. The next prime is 1226551589. The reversal of 1226551548 is 8451556221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226551541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 699211 + ... + 700962.

Almost surely, 2^1226551548 is an apocalyptic number.

It is an amenable number.

1226551548 is an abundant number, since it is smaller than the sum of its proper divisors (1674608980).

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

1226551548 is a wasteful number, since it uses less digits than its factorization.

1226551548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400253 (or 1400251 counting only the distinct ones).

The product of its digits is 96000, while the sum is 39.

The square root of 1226551548 is about 35022.1579574988. The cubic root of 1226551548 is about 1070.4390279216.

The spelling of 1226551548 in words is "one billion, two hundred twenty-six million, five hundred fifty-one thousand, five hundred forty-eight".