1204226490 has 16 divisors (see below), whose sum is σ = 2890143648. Its totient is φ = 321127056.

The previous prime is 1204226483. The next prime is 1204226509. The reversal of 1204226490 is 946224021.

1204226490 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1204226490² = 2900322878435440200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 40140883 = 1204226490 / (1 + 2 + 0 + 4 + 2 + 2 + 6 + 4 + 9 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20070412 + ... + 20070471.

It is an arithmetic number, because the mean of its divisors is an integer number (180633978).

Almost surely, 2^1204226490 is an apocalyptic number.

1204226490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1204226490 is an abundant number, since it is smaller than the sum of its proper divisors (1685917158).

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

1204226490 is a wasteful number, since it uses less digits than its factorization.

1204226490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40140893.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 1204226490 is about 34701.9666589662. The cubic root of 1204226490 is about 1063.9046950694.

The spelling of 1204226490 in words is "one billion, two hundred four million, two hundred twenty-six thousand, four hundred ninety".