1226890467 has 24 divisors (see below), whose sum is σ = 1934969088. Its totient is φ = 742921200.

The previous prime is 1226890463. The next prime is 1226890471. The reversal of 1226890467 is 7640986221.

It is a happy number.

1226890467 is a `hidden beast` number, since 122 + 68 + 9 + 0 + 467 = 666.

It is an interprime number because it is at equal distance from previous prime (1226890463) and next prime (1226890471).

It is not a de Polignac number, because 1226890467 - 2² = 1226890463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1226890463) 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, 124242 + ... + 133752.

It is an arithmetic number, because the mean of its divisors is an integer number (80623712).

Almost surely, 2^1226890467 is an apocalyptic number.

1226890467 is a deficient number, since it is larger than the sum of its proper divisors (708078621).

1226890467 is a wasteful number, since it uses less digits than its factorization.

1226890467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10831 (or 10828 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 1226890467 is about 35026.9962600278. The cubic root of 1226890467 is about 1070.5376129111.

The spelling of 1226890467 in words is "one billion, two hundred twenty-six million, eight hundred ninety thousand, four hundred sixty-seven".