1226031550 has 48 divisors (see below), whose sum is σ = 2392480800. Its totient is φ = 466793600.

The previous prime is 1226031533. The next prime is 1226031553. The reversal of 1226031550 is 551306221.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226031553) 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, 96996 + ... + 108904.

It is an arithmetic number, because the mean of its divisors is an integer number (49843350).

Almost surely, 2^1226031550 is an apocalyptic number.

1226031550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1226031550 is a deficient number, since it is larger than the sum of its proper divisors (1166449250).

1226031550 is a wasteful number, since it uses less digits than its factorization.

1226031550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12021 (or 12016 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1226031550 is about 35014.7333275580. The cubic root of 1226031550 is about 1070.2877352360.

Adding to 1226031550 its reverse (551306221), we get a palindrome (1777337771).

The spelling of 1226031550 in words is "one billion, two hundred twenty-six million, thirty-one thousand, five hundred fifty".