1406751222 has 32 divisors (see below), whose sum is σ = 2973928320. Its totient is φ = 442385280.

The previous prime is 1406751221. The next prime is 1406751239. The reversal of 1406751222 is 2221576041.

It is a self number, because there is not a number n which added to its sum of digits gives 1406751222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406751221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1873 + ... + 53075.

It is an arithmetic number, because the mean of its divisors is an integer number (92935260).

Almost surely, 2^1406751222 is an apocalyptic number.

1406751222 is an abundant number, since it is smaller than the sum of its proper divisors (1567177098).

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

1406751222 is a wasteful number, since it uses less digits than its factorization.

1406751222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51468.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 1406751222 is about 37506.6823646134. The cubic root of 1406751222 is about 1120.4842777112.

The spelling of 1406751222 in words is "one billion, four hundred six million, seven hundred fifty-one thousand, two hundred twenty-two".