1226001190 has 32 divisors (see below), whose sum is σ = 2223547200. Its totient is φ = 486693504.

The previous prime is 1226001181. The next prime is 1226001197. The reversal of 1226001190 is 911006221.

It is a super-2 number, since 2×1226001190² = 3006157835762832200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226001197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1537872 + ... + 1538668.

It is an arithmetic number, because the mean of its divisors is an integer number (69485850).

Almost surely, 2^1226001190 is an apocalyptic number.

1226001190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1226001190 is a deficient number, since it is larger than the sum of its proper divisors (997546010).

1226001190 is a wasteful number, since it uses less digits than its factorization.

1226001190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1226001190 is about 35014.2997930845. The cubic root of 1226001190 is about 1070.2789007152.

The spelling of 1226001190 in words is "one billion, two hundred twenty-six million, one thousand, one hundred ninety".