1226921950 has 24 divisors (see below), whose sum is σ = 2313343008. Its totient is φ = 484044480.

The previous prime is 1226921947. The next prime is 1226921951. The reversal of 1226921950 is 591296221.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226921951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164422 + ... + 171721.

It is an arithmetic number, because the mean of its divisors is an integer number (96389292).

Almost surely, 2^1226921950 is an apocalyptic number.

1226921950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1226921950 is a deficient number, since it is larger than the sum of its proper divisors (1086421058).

1226921950 is a wasteful number, since it uses less digits than its factorization.

1226921950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336228 (or 336223 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 1226921950 is about 35027.4456676475. The cubic root of 1226921950 is about 1070.5467697860.

The spelling of 1226921950 in words is "one billion, two hundred twenty-six million, nine hundred twenty-one thousand, nine hundred fifty".